Subj : Southern Ontario Weather To : All From : Northern Realms Date : Fri May 31 2024 15:35:00 FPCN11 CWTO 311930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Friday 31 May 2024 for tonight Saturday and Saturday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Saturday. City of Toronto. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 12. Saturday..Sunny. High 24. UV index 8 or very high. Saturday night..Partly cloudy. Low 16. Windsor - Leamington - Essex County. Tonight..Clear. Low 13. Saturday..Sunny. Wind becoming south 30 km/h in the morning. High 25. UV index 8 or very high. Saturday night..Becoming cloudy in the evening. 40 percent chance of showers overnight. Wind south 20 km/h becoming light early in the evening. Low 17. Chatham-Kent - Rondeau Park. Tonight..Clear. Wind southwest 20 km/h becoming light early this evening. Low 11. Saturday..Sunny. High 24. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. 40 percent chance of showers overnight. Low 16. Sarnia - Petrolia - Western Lambton County. Tonight..Clear. Low 8. Saturday..Sunny. Wind becoming south 30 km/h in the morning then light late in the afternoon. High 25. UV index 8 or very high. Saturday night..Becoming cloudy in the evening. 30 percent chance of showers overnight. Low 16. Watford - Pinery Park - Eastern Lambton County. Tonight..Clear. Low 8. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..A few clouds. Increasing cloudiness after midnight then 30 percent chance of showers overnight. Low 16. Rodney - Shedden - Western Elgin County. Tonight..Clear. Low 10. Saturday..Sunny. High 24. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. 30 percent chance of showers before morning. Low 16. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Clear. Low 11. Saturday..Sunny. High 24 except 17 near Lake Erie. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. 30 percent chance of showers before morning. Low 16. Strathroy - Komoka - Western Middlesex County. Tonight..Clear. Low 7. Saturday..Sunny. Wind becoming south 20 km/h early in the afternoon. High 25. UV index 8 or very high. Saturday night..Increasing cloudiness early in the evening. 30 percent chance of showers before morning. Low 15. London - Parkhill - Eastern Middlesex County. Tonight..Clear. Low 7. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. 30 percent chance of showers before morning. Low 15. Simcoe - Delhi - Norfolk. Tonight..Clear. Low 8. Saturday..Sunny. High 25 except 17 near Lake Erie. Humidex 27. UV index 8 or very high. Saturday night..A few clouds. Increasing cloudiness after midnight. Low 14. Dunnville - Caledonia - Haldimand. Tonight..Clear. Low 9. Saturday..Sunny. High 25 except 17 near Lake Erie. UV index 8 or very high. Saturday night..A few clouds. Increasing cloudiness after midnight. Low 14. Woodstock - Tillsonburg - Oxford County. Tonight..Clear. Low 7. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. Low 14. Brantford - County of Brant. Tonight..Clear. Low 7. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 14. Niagara Falls - Welland - Southern Niagara Region. Tonight..Clear. Low 12. Saturday..Sunny. High 25 except 17 near Lake Erie. UV index 8 or very high. Saturday night..A few clouds. Low 17. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Clear. Low 12. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 14. City of Hamilton. Tonight..Clear. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Increasing cloudiness near midnight. Low 14. Burlington - Oakville. Tonight..Clear. Low 11. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 15. Halton Hills - Milton. Tonight..Clear. Low 11. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Increasing cloudiness in the evening. Low 15. Mississauga - Brampton. Tonight..Clear. Low 12. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 15. Caledon. Tonight..Clear. Low 11. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Increasing cloudiness early in the evening. Low 15. Vaughan - Richmond Hill - Markham. Tonight..Clear. Low 12. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 14. Newmarket - Georgina - Northern York Region. Tonight..Clear. Low 9. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 14. Pickering - Oshawa - Southern Durham Region. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 11. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 14. Uxbridge - Beaverton - Northern Durham Region. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 9. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 14. Goderich - Bluewater - Southern Huron County. Tonight..Clear. Wind becoming south 20 km/h late this evening. Low 12. Saturday..Mainly sunny. High 25. UV index 8 or very high. Saturday night..Becoming cloudy late in the evening. 30 percent chance of showers before morning. Low 14. Wingham - Blyth - Northern Huron County. Tonight..Clear. Low 11. Saturday..Mainly sunny. Wind becoming south 20 km/h late in the morning. High 25. UV index 8 or very high. Saturday night..Becoming cloudy late in the evening. 30 percent chance of showers before morning. Low 14. Stratford - Mitchell - Southern Perth County. Tonight..Clear. Low 8. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. 30 percent chance of showers before morning. Low 14. Listowel - Milverton - Northern Perth County. Tonight..Clear. Low 8. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. 30 percent chance of showers before morning. Low 14. Kitchener - Cambridge - Region of Waterloo. Tonight..Clear. Low 6. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. Low 13. Guelph - Erin - Southern Wellington County. Tonight..Clear. Low 6. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. Low 13. Mount Forest - Arthur - Northern Wellington County. Tonight..Clear. Low 9. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. Low 13. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Clear. Low 10. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Increasing cloudiness early in the evening. Low 15. Shelburne - Mansfield - Northern Dufferin County. Tonight..Clear. Low 10. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. Low 15. Innisfil - New Tecumseth - Angus. Tonight..Clear. Low 10. Saturday..Sunny. High 25. Humidex 26. UV index 8 or very high. Saturday night..Increasing cloudiness early in the evening. Low 11. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Clear. Low 11. Saturday..Sunny. Wind becoming south 20 km/h late in the morning. High 25. UV index 8 or very high. Saturday night..Becoming cloudy late in the evening. 30 percent chance of showers before morning. Low 14. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low 11. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Mainly cloudy. 30 percent chance of showers before morning. Low 14. Hanover - Dundalk - Southern Grey County. Tonight..Clear. Low 10. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy near midnight. 30 percent chance of showers before morning. Low 14. Owen Sound - Blue Mountains - Northern Grey County. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low 11. Saturday..Sunny. Wind south 20 km/h. High 25. UV index 8 or very high. Saturday night..Mainly cloudy. 30 percent chance of showers before morning. Low 14. Barrie - Collingwood - Hillsdale. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 10. Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high. Saturday night..Partly cloudy. Low 12. Midland - Coldwater - Orr Lake. Tonight..Clear. Low 10. Saturday..Sunny. High 24. Humidex 25. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. Low 15. Orillia - Lagoon City - Washago. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 11. Saturday..Sunny. High 24. Humidex 25. UV index 8 or very high. Saturday night..Partly cloudy. Low 15. Cobourg - Colborne - Western Northumberland County. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 8. Saturday..Sunny. High 25. Humidex 26. UV index 8 or very high. Saturday night..A few clouds. Low 11. Belleville - Quinte West - Eastern Northumberland County. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 8. Saturday..Sunny. High 27. Humidex 28. UV index 8 or very high. Saturday night..A few clouds. Low 11. Picton - Sandbanks Park. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 8. Saturday..Sunny. High 24. Humidex 25. UV index 8 or very high. Saturday night..A few clouds. Low 11. Napanee - Consecon. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 8. Saturday..Sunny. High 26. Humidex 27. UV index 8 or very high. Saturday night..A few clouds. Low 11. Kingston - Odessa - Frontenac Islands. Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 8. Saturday..Sunny. High 24. Humidex 25. UV index 8 or very high. Saturday night..A few clouds. Low 11. Lindsay - Southern Kawartha Lakes. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low plus 4. Saturday..Sunny. High 25. Humidex 26. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 9. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low plus 4. Saturday..Sunny. High 25. Humidex 26. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 9. Peterborough City - Lakefield - Southern Peterborough County. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low plus 4. Saturday..Sunny. High 26. Humidex 27. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 9. Apsley - Woodview - Northern Peterborough County. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low plus 4. Saturday..Sunny. High 25. Humidex 26. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 9. Stirling - Tweed - Madoc. Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light early this evening. Low 7. Saturday..Sunny. High 27. UV index 8 or very high. Saturday night..A few clouds. Low 11. Tamworth - Sydenham - South Frontenac. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 7. Saturday..Sunny. High 27. UV index 8 or very high. Saturday night..Clear. Low 11. Kaladar - Bannockburn - Bon Echo Park. Tonight..Clear. Wind northwest 20 km/h becoming light this evening. Low plus 4. Saturday..Sunny. High 26. Humidex 27. UV index 8 or very high. Saturday night..Clear. Low 7. Bancroft - Hastings Highlands - Denbigh. Tonight..Clear. Low plus 4. Saturday..Sunny. High 26. Humidex 27. UV index 8 or very high. Saturday night..A few clouds. Low 7. Gananoque - Mallorytown. Tonight..Clear. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Brockville - Prescott. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Westport - Charleston Lake. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Merrickville-Wolford - Kemptville. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Ottawa North - Kanata - Orl‚ans. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. Humidex 29. UV index 8 or very high. Saturday night..Clear. Low 12. Ottawa South - Richmond - Metcalfe. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. Humidex 29. UV index 8 or very high. Saturday night..Clear. Low 12. Gatineau. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 7. Saturday..Sunny. High 26. Humidex 28. UV index 7 or high. Saturday night..Clear. Low 12. Prescott and Russell. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. Humidex 29. UV index 8 or very high. Saturday night..Clear. Low 11. Morrisburg - Long Sault. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Cornwall - Lancaster. Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Winchester - Newington. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Maxville - Alexandria. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Saturday..Sunny. High 26. UV index 8 or very high. Saturday night..Clear. Low 10. Plevna - Sharbot Lake - Western Lanark County. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 8. Saturday..Sunny. High 26. Humidex 27. UV index 8 or very high. Saturday night..Clear. Low 9. Smiths Falls - Perth - Eastern Lanark County. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 8. Saturday..Sunny. High 26. Humidex 27. UV index 8 or very high. Saturday night..Clear. Low 9. Port Carling - Port Severn. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 10. Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. Low 15. Bracebridge - Gravenhurst. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low 7. Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 11. Town of Parry Sound - Rosseau - Killbear Park. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low 8. Saturday..Sunny. High 24. UV index 8 or very high. Saturday night..Partly cloudy. Becoming cloudy after midnight. Low 13. Huntsville - Baysville. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low 7. Saturday..Sunny. High 24. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 11. Haliburton - Minden - Southern Haliburton County. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low plus 4. Saturday..Sunny. High 24. Humidex 25. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 10. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low plus 4. Saturday..Sunny. High 24. Humidex 25. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy in the evening. Low 10. Barry's Bay - Killaloe. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 6. Saturday..Sunny. High 27. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy overnight. Low 11. Renfrew - Arnprior - Calabogie. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 7. Saturday..Sunny. High 27. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy before morning. Low 11. Petawawa - Pembroke - Cobden. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low 7. Saturday..Sunny. High 27. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy overnight. Low 11. Western Algonquin Park - Lake of Two Rivers. Tonight..Clear. Low plus 4. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..A few clouds. Increasing cloudiness after midnight. Low 8. Deep River - Whitney - Eastern Algonquin Park. Tonight..Clear. Low plus 4. Saturday..Sunny. High 25. UV index 8 or very high. Saturday night..Clear. Becoming partly cloudy late in the evening. Low 8. Bayfield Inlet - Dunchurch. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low 9. Saturday..Sunny. Wind becoming southwest 20 km/h in the morning. High 25. UV index 8 or very high. Saturday night..A few clouds. Increasing cloudiness after midnight. Low 13. South River - Burk's Falls. Tonight..Clear. Wind west 20 km/h becoming light early this evening. Low 6. Saturday..Sunny. Wind becoming southwest 20 km/h in the morning. High 25. UV index 8 or very high. Saturday night..A few clouds. Increasing cloudiness after midnight. Low 11. End $$$$^^ --- up 10 hours, 5 minutes * Origin: Northern Realms (1:229/664) .