Subj : Southern Ontario Weather To : All From : Northern Realms Date : Fri Jul 04 2025 11:05:02 FPCN11 CWTO 041500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Friday 4 July 2025 for today and Saturday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 17. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 31. Humidex 41. UV index 7 or high. Windsor - Leamington - Essex County. Today..A mix of sun and cloud. High 30. Humidex 36. UV index 10 or very high. Tonight..Partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Low 21. Saturday..Sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 32. Humidex 40. UV index 10 or very high. Chatham-Kent - Rondeau Park. Today..Sunny. High 30. Humidex 36. UV index 10 or very high. Tonight..Partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Low 21. Saturday..Mainly cloudy. Clearing near noon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 32. Humidex 40. UV index 10 or very high. Sarnia - Petrolia - Western Lambton County. Today..Mainly sunny. High 30. Humidex 36. UV index 10 or very high. Tonight..Partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Low 21. Saturday..Cloudy. Clearing near noon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 32. Humidex 40. UV index 10 or very high. Watford - Pinery Park - Eastern Lambton County. Today..Sunny. High 30. Humidex 36. UV index 10 or very high. Tonight..Partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Low 21. Saturday..Mainly cloudy. Wind becoming southwest 20 km/h gusting to 40 near noon. High 32. Humidex 40. UV index 9 or very high. Rodney - Shedden - Western Elgin County. Today..Sunny. High 28. Humidex 33. UV index 10 or very high. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Cloudy with 30 percent chance of showers in the morning and risk of a thunderstorm. Clearing in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 37. UV index 10 or very high. St. Thomas - Aylmer - Eastern Elgin County. Today..Sunny. High 28. Humidex 33. UV index 10 or very high. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Cloudy with 30 percent chance of showers in the morning and risk of a thunderstorm. Clearing in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 37. UV index 10 or very high. Strathroy - Komoka - Western Middlesex County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Partly cloudy. Becoming cloudy after midnight with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Cloudy with 30 percent chance of showers in the morning and risk of a thunderstorm. Clearing in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 31. Humidex 38. UV index 10 or very high. London - Parkhill - Eastern Middlesex County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..A few clouds. Increasing cloudiness late this evening then 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy with 30 percent chance of showers in the morning and risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 31. Humidex 38. UV index 9 or very high. Simcoe - Delhi - Norfolk. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy with 30 percent chance of showers in the morning and risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 37. UV index 9 or very high. Dunnville - Caledonia - Haldimand. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy near midnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Woodstock - Tillsonburg - Oxford County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 31. Humidex 38. UV index 9 or very high. Brantford - County of Brant. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 31. Humidex 38. UV index 9 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 7 or high. St. Catharines - Grimsby - Northern Niagara Region. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 31. Humidex 39. UV index 7 or high. City of Hamilton. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 31. Humidex 38. UV index 9 or very high. Burlington - Oakville. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 31. Humidex 40. UV index 8 or very high. Halton Hills - Milton. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 31. Humidex 40. UV index 9 or very high. Mississauga - Brampton. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 31. Humidex 40. UV index 7 or high. Caledon. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Vaughan - Richmond Hill - Markham. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 17. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 31. Humidex 41. UV index 7 or high. Newmarket - Georgina - Northern York Region. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 7 or high. Pickering - Oshawa - Southern Durham Region. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 17. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 31. Humidex 41. UV index 8 or very high. Uxbridge - Beaverton - Northern Durham Region. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 7 or high. Goderich - Bluewater - Southern Huron County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..A few clouds. Increasing cloudiness after midnight then 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy with 30 percent chance of showers in the morning and risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 36. UV index 8 or very high. Wingham - Blyth - Northern Huron County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 36. UV index 8 or very high. Stratford - Mitchell - Southern Perth County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy with 30 percent chance of showers in the morning and early in the afternoon and risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 8 or very high. Listowel - Milverton - Northern Perth County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 8 or very high. Kitchener - Cambridge - Region of Waterloo. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Guelph - Erin - Southern Wellington County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Mount Forest - Arthur - Northern Wellington County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Orangeville - Grand Valley - Southern Dufferin County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Shelburne - Mansfield - Northern Dufferin County. Today..Sunny. High 28. Humidex 33. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 38. UV index 9 or very high. Innisfil - New Tecumseth - Angus. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 7 or high. Saugeen Shores - Kincardine - Southern Bruce County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Partly cloudy. 30 percent chance of showers overnight with risk of a thunderstorm. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Clearing late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 39. UV index 8 or very high. Bruce Peninsula - Sauble Beach - Tobermory. Today..Sunny. High 25. Humidex 28. UV index 9 or very high. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Low 18. Saturday..A mix of sun and cloud. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 late in the morning. High 27. Humidex 34. UV index 9 or very high. Hanover - Dundalk - Southern Grey County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 39. UV index 9 or very high. Owen Sound - Blue Mountains - Northern Grey County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 30. Humidex 39. UV index 7 or high. Barrie - Collingwood - Hillsdale. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Becoming cloudy in the morning with 30 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 7 or high. Midland - Coldwater - Orr Lake. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..A few clouds. Low 16. Saturday..Cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 7 or high. Orillia - Lagoon City - Washago. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 9 or very high. Cobourg - Colborne - Western Northumberland County. Today..Sunny. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 27. Humidex 35. UV index 9 or very high. Belleville - Quinte West - Eastern Northumberland County. Today..Sunny. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 27. Humidex 35. UV index 9 or very high. Picton - Sandbanks Park. Today..Sunny. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 27. Humidex 35. UV index 9 or very high. Napanee - Consecon. Today..Sunny. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 27. Humidex 35. UV index 9 or very high. Kingston - Odessa - Frontenac Islands. Today..Mainly sunny. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 27. Humidex 35. UV index 9 or very high. Lindsay - Southern Kawartha Lakes. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 8 or very high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..Sunny. High 27. Humidex 33. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h near noon. High 31. Humidex 39. UV index 9 or very high. Peterborough City - Lakefield - Southern Peterborough County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Increasing cloudiness. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 31. Humidex 40. UV index 9 or very high. Apsley - Woodview - Northern Peterborough County. Today..Sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy overnight. Low 16. Saturday..A mix of sun and cloud. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 31. Humidex 40. UV index 9 or very high. Stirling - Tweed - Madoc. Today..Sunny. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy before morning. Low 16. Saturday..A mix of sun and cloud. Wind becoming southwest 20 km/h gusting to 40 near noon. High 29. Humidex 37. UV index 10 or very high. Tamworth - Sydenham - South Frontenac. Today..A mix of sun and cloud. Becoming sunny this afternoon. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..A mix of sun and cloud. Wind becoming southwest 20 km/h gusting to 40 near noon. High 29. Humidex 37. UV index 10 or very high. Kaladar - Bannockburn - Bon Echo Park. Today..Mainly sunny. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..A mix of sun and cloud. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 9 or very high. Bancroft - Hastings Highlands - Denbigh. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Increasing cloudiness overnight. Low 15. Saturday..A mix of sun and cloud. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 9 or very high. Gananoque - Mallorytown. Today..Clearing this afternoon. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..Sunny. Becoming a mix of sun and cloud in the morning. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 9 or very high. Brockville - Prescott. Today..Clearing this afternoon. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Low 14. Saturday..Sunny. Becoming a mix of sun and cloud in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 9 or very high. Westport - Charleston Lake. Today..Clearing this afternoon. Wind west 20 km/h. High 27. Humidex 32. UV index 9 or very high. Tonight..Clear. Low 16. Saturday..A mix of sun and cloud. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 9 or very high. Merrickville-Wolford - Kemptville. Today..Mainly sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness early in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 7 or high. Ottawa North - Kanata - Orl‚ans. Today..Sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness early in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 7 or high. Ottawa South - Richmond - Metcalfe. Today..Sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness early in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 7 or high. Gatineau. Today..Sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 7 or high. Prescott and Russell. Today..Sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 7 or high. Morrisburg - Long Sault. Today..Mainly sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness early in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 8 or very high. Cornwall - Lancaster. Today..Mainly sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 9 or very high. Winchester - Newington. Today..Sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 7 or high. Maxville - Alexandria. Today..Sunny. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 35. UV index 8 or very high. Plevna - Sharbot Lake - Western Lanark County. Today..Sunny. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..A mix of sun and cloud. 30 percent chance of showers late in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Smiths Falls - Perth - Eastern Lanark County. Today..Clearing this afternoon. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Increasing cloudiness early in the morning. 30 percent chance of showers late in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 7 or high. Port Carling - Port Severn. Today..Sunny. High 25. Humidex 30. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 6 or high. Bracebridge - Gravenhurst. Today..Sunny. High 25. Humidex 30. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 9 or very high. Town of Parry Sound - Rosseau - Killbear Park. Today..Sunny. High 25. Humidex 30. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy near midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 9 or very high. Huntsville - Baysville. Today..Sunny. High 25. Humidex 30. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 9 or very high. Haliburton - Minden - Southern Haliburton County. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Barry's Bay - Killaloe. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Increasing cloudiness overnight. Low 15. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Renfrew - Arnprior - Calabogie. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Low 15. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Petawawa - Pembroke - Cobden. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Becoming partly cloudy overnight. Low 15. Saturday..Cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Western Algonquin Park - Lake of Two Rivers. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Increasing cloudiness after midnight. Low 15. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Deep River - Whitney - Eastern Algonquin Park. Today..Sunny. High 26. Humidex 31. UV index 9 or very high. Tonight..Clear. Increasing cloudiness after midnight. Low 15. Saturday..Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h near noon. High 29. Humidex 38. UV index 8 or very high. Bayfield Inlet - Dunchurch. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 25. Humidex 30. UV index 9 or very high. Tonight..Clear. Increasing cloudiness near midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 37. UV index 8 or very high. South River - Burk's Falls. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 25. Humidex 30. UV index 9 or very high. Tonight..Clear. Increasing cloudiness near midnight. Low 16. Saturday..Mainly cloudy. 30 percent chance of showers in the morning with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 28. Humidex 37. UV index 8 or very high. End $$$$^^ --- up 5 days, 2 hours, 54 minutes * Origin: Northern Realms (1:229/664) .