Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sat Aug 09 2025 15:35:00 FPCN11 CWTO 091930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Saturday 9 August 2025 for tonight Sunday and Sunday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Sunday. City of Toronto. Tonight..Partly cloudy. Becoming clear this evening. Wind south 20 km/h becoming light this evening. Low 21. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 40. UV index 8 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 23. Windsor - Leamington - Essex County. Tonight..Clear. Wind south 20 km/h gusting to 40 becoming light this evening. Low 22. Sunday..Sunny. Wind becoming southeast 20 km/h in the afternoon. High 33. Humidex 39. UV index 9 or very high. Sunday night..Clear. Wind southeast 20 km/h becoming light in the evening. Low 22. Chatham-Kent - Rondeau Park. Tonight..Clear. Wind south 20 km/h gusting to 40 becoming light this evening. Low 21. Sunday..Sunny. Wind becoming southeast 20 km/h in the afternoon. High 33. Humidex 39. UV index 9 or very high. Sunday night..Clear. Wind southeast 20 km/h becoming light in the evening. Low 22. Sarnia - Petrolia - Western Lambton County. Tonight..Clear. Wind south 20 km/h gusting to 40 becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southeast 20 km/h in the afternoon. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Wind southeast 20 km/h becoming light in the evening. Low 22. Watford - Pinery Park - Eastern Lambton County. Tonight..Clear. Wind south 20 km/h gusting to 40 becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southeast 20 km/h in the afternoon. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Wind southeast 20 km/h becoming light in the evening. Low 22. Rodney - Shedden - Western Elgin County. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 31. Humidex 38. UV index 9 or very high. Sunday night..Clear. Low 21. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 31. Humidex 38. UV index 9 or very high. Sunday night..Clear. Low 21. Strathroy - Komoka - Western Middlesex County. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 33. Humidex 41. UV index 9 or very high. Sunday night..Clear. Low 21. London - Parkhill - Eastern Middlesex County. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 33. Humidex 41. UV index 9 or very high. Sunday night..Clear. Low 21. Simcoe - Delhi - Norfolk. Tonight..Clear. Wind southwest 20 km/h becoming light early this evening. Low 20. Sunday..Sunny. High 32. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 21. Dunnville - Caledonia - Haldimand. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 31. Humidex 38. UV index 9 or very high. Sunday night..Clear. Low 20. Woodstock - Tillsonburg - Oxford County. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. High 32. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 20. Brantford - County of Brant. Tonight..Clear. Wind southwest 20 km/h becoming light early this evening. Low 20. Sunday..Sunny. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Low 20. Niagara Falls - Welland - Southern Niagara Region. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Sunny. High 32. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 22. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Sunny. High 32. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 22. City of Hamilton. Tonight..Clear. Wind southwest 20 km/h becoming light early this evening. Low 20. Sunday..Sunny. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Low 20. Burlington - Oakville. Tonight..Clear. Wind south 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 21. Halton Hills - Milton. Tonight..Clearing early this evening. Wind southwest 20 km/h becoming light early this evening. Low 20. Sunday..Sunny. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Low 20. Mississauga - Brampton. Tonight..Clearing early this evening. Wind south 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 21. Caledon. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 19. Sunday..Sunny. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Low 21. Vaughan - Richmond Hill - Markham. Tonight..Clearing. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 21. Newmarket - Georgina - Northern York Region. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 21. Pickering - Oshawa - Southern Durham Region. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 40. UV index 9 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 20. Uxbridge - Beaverton - Northern Durham Region. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Goderich - Bluewater - Southern Huron County. Tonight..Clear. Wind south 20 km/h gusting to 40 becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 20. Wingham - Blyth - Northern Huron County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind south 20 km/h gusting to 40 becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 20. Stratford - Mitchell - Southern Perth County. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 33. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 20. Listowel - Milverton - Northern Perth County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. High 33. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 20. Kitchener - Cambridge - Region of Waterloo. Tonight..Clearing early this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. High 32. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 19. Guelph - Erin - Southern Wellington County. Tonight..Clearing early this evening. Wind southwest 20 km/h becoming light early this evening. Low 19. Sunday..Sunny. High 32. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 19. Mount Forest - Arthur - Northern Wellington County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the morning. High 32. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 17. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 20. Shelburne - Mansfield - Northern Dufferin County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 20. Innisfil - New Tecumseth - Angus. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 40. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 21. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind south 20 km/h gusting to 40 becoming light this evening. Low 22. Sunday..Sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 38. UV index 8 or very high. Sunday night..Clear. Low 21. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..Clear. Wind southwest 20 km/h gusting to 40. Low 22. Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind southwest 20 km/h gusting to 40. High 31. Humidex 36. UV index 8 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 21. Hanover - Dundalk - Southern Grey County. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 21. Owen Sound - Blue Mountains - Northern Grey County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the morning. High 33. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 21. Barrie - Collingwood - Hillsdale. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind south 20 km/h becoming light early this evening. Low 19. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 21. Midland - Coldwater - Orr Lake. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind south 20 km/h becoming light early this evening. Low 19. Sunday..Mainly sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 21. Orillia - Lagoon City - Washago. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind south 20 km/h becoming light early this evening. Low 19. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 21. Cobourg - Colborne - Western Northumberland County. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming south 20 km/h in the afternoon. High 32. Humidex 37. UV index 8 or very high. Sunday night..Clear. Wind south 20 km/h becoming light in the evening. Low 20. Belleville - Quinte West - Eastern Northumberland County. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 32. Humidex 37. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light early in the evening. Low 20. Picton - Sandbanks Park. Tonight..Clear. Hazy this evening. Low 18. Sunday..Sunny. High 32. Humidex 37. UV index 8 or very high. Sunday night..Clear. Low 21. Napanee - Consecon. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 32. Humidex 37. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light early in the evening. Low 20. Kingston - Odessa - Frontenac Islands. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 32. Humidex 37. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light early in the evening. Low 20. Lindsay - Southern Kawartha Lakes. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 33. Humidex 40. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 32. Humidex 39. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Peterborough City - Lakefield - Southern Peterborough County. Tonight..Clear. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 33. Humidex 39. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 19. Apsley - Woodview - Northern Peterborough County. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Hazy this evening. Low 19. Sunday..Sunny. High 33. Humidex 39. UV index 9 or very high. Sunday night..Clear. Low 19. Stirling - Tweed - Madoc. Tonight..Clearing early this evening. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 33. Humidex 38. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light early in the evening. Low 19. Tamworth - Sydenham - South Frontenac. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 33. Humidex 38. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light early in the evening. Low 19. Kaladar - Bannockburn - Bon Echo Park. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Hazy this evening. Low 19. Sunday..Sunny. High 33. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 19. Bancroft - Hastings Highlands - Denbigh. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing overnight. Hazy this evening. Low 19. Sunday..Sunny. High 32. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 19. Gananoque - Mallorytown. Tonight..Clear. Hazy this evening. Wind south 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light early in the evening. Low 20. Brockville - Prescott. Tonight..Clear. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 21. Westport - Charleston Lake. Tonight..Clear. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Merrickville-Wolford - Kemptville. Tonight..A few clouds. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 41. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 21. Ottawa North - Kanata - Orl‚ans. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 35. Humidex 42. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Ottawa South - Richmond - Metcalfe. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 35. Humidex 42. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Gatineau. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 35. Humidex 42. UV index 8 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Prescott and Russell. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Becoming clear late this evening and overnight. Risk of a thunderstorm early this evening. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 21. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 35. Humidex 42. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Morrisburg - Long Sault. Tonight..Clear. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 42. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Cornwall - Lancaster. Tonight..Clear. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 42. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Winchester - Newington. Tonight..Clear. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 42. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Maxville - Alexandria. Tonight..A few clouds. Hazy this evening. Wind southwest 20 km/h becoming light this evening. Low 20. Sunday..Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 34. Humidex 42. UV index 9 or very high. Sunday night..Clear. Wind southwest 20 km/h becoming light in the evening. Low 20. Plevna - Sharbot Lake - Western Lanark County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Hazy this evening. Low 20. Sunday..Sunny. High 33. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 19. Smiths Falls - Perth - Eastern Lanark County. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Hazy this evening. Low 21. Sunday..Sunny. High 34. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 20. Port Carling - Port Severn. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Hazy this evening. Low 18. Sunday..Mainly sunny. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Low 20. Bracebridge - Gravenhurst. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing late this evening. Hazy this evening. Low 19. Sunday..Mainly sunny. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Low 19. Town of Parry Sound - Rosseau - Killbear Park. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Hazy this evening. Low 22. Sunday..Sunny. High 31. Humidex 38. UV index 8 or very high. Sunday night..Clear. Low 20. Huntsville - Baysville. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Hazy this evening. Low 20. Sunday..Mainly sunny. High 31. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 19. Haliburton - Minden - Southern Haliburton County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Hazy this evening. Low 19. Sunday..Mainly sunny. High 31. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 20. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Hazy this evening. Low 19. Sunday..Mainly sunny. High 31. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 19. Barry's Bay - Killaloe. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy this evening. Low 20. Sunday..Sunny. High 33. Humidex 41. UV index 8 or very high. Sunday night..Clear. Low 20. Renfrew - Arnprior - Calabogie. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy this evening. Low 20. Sunday..Sunny. High 34. Humidex 42. UV index 8 or very high. Sunday night..Clear. Low 22. Petawawa - Pembroke - Cobden. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy this evening. Low 20. Sunday..Sunny. High 34. Humidex 42. UV index 8 or very high. Sunday night..Clear. Low 22. Western Algonquin Park - Lake of Two Rivers. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Hazy this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h near noon. High 31. Humidex 39. UV index 8 or very high. Sunday night..Clear. Low 19. Deep River - Whitney - Eastern Algonquin Park. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Hazy this evening. Low 19. Sunday..Sunny. Wind becoming southwest 20 km/h near noon. High 32. Humidex 40. UV index 8 or very high. Sunday night..Clear. Low 19. Bayfield Inlet - Dunchurch. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Hazy this evening. Low 21. Sunday..Mainly sunny. Wind becoming southwest 20 km/h near noon. High 31. Humidex 38. UV index 8 or very high. Sunday night..Clear. Low 21. South River - Burk's Falls. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Hazy this evening. Low 20. Sunday..Mainly sunny. Wind becoming southwest 20 km/h near noon. High 31. Humidex 38. UV index 8 or very high. Sunday night..Clear. Low 20. End $$$$^^ --- up 1 week, 1 day, 9 hours, 28 minutes * Origin: Northern Realms (1:229/664) .