Subj : Southern Ontario Weather To : All From : Northern Realms Date : Wed May 29 2024 15:35:00 FPCN11 CWTO 291930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Wednesday 29 May 2024 for tonight Thursday and Thursday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Thursday. City of Toronto. Tonight..Clear. Wind becoming north 20 km/h gusting to 40 early this evening then light after midnight. Low 9. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 19. UV index 6 or high. Thursday night..Clear. Wind northwest 20 km/h becoming light near midnight. Low 7. Windsor - Leamington - Essex County. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind northeast 20 km/h gusting to 40 becoming light this evening. Low plus 5. Thursday..Sunny. High 21. UV index 6 or high. Thursday night..Clear. Low 6. Chatham-Kent - Rondeau Park. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind north 20 km/h gusting to 40 becoming light this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning. High 19. UV index 6 or high. Thursday night..Clear. Wind north 20 km/h becoming light early in the evening. Low plus 3 with risk of frost. Sarnia - Petrolia - Western Lambton County. Tonight..Clear. Wind north 40 km/h gusting to 60 diminishing to 20 gusting to 40 this evening then becoming light late this evening. Low plus 4. Thursday..Sunny. Wind becoming north 30 km/h in the afternoon. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Watford - Pinery Park - Eastern Lambton County. Tonight..Partly cloudy. Clearing this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Rodney - Shedden - Western Elgin County. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning. High 19. UV index 6 or high. Thursday night..Clear. Wind north 20 km/h becoming light early in the evening. Low plus 5. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning then light in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Wind northwest 20 km/h becoming light early in the evening. Low plus 5. Strathroy - Komoka - Western Middlesex County. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning. High 19. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. London - Parkhill - Eastern Middlesex County. Tonight..Clearing early this evening. Wind northwest 20 km/h becoming light this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning then light in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Simcoe - Delhi - Norfolk. Tonight..Mainly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing this evening. Wind northwest 20 km/h becoming light early this evening. Low plus 5. Thursday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind north 20 km/h becoming light early in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 4. Dunnville - Caledonia - Haldimand. Tonight..Mainly cloudy. Clearing this evening. Low plus 5. Thursday..Sunny. Wind becoming north 20 km/h in the morning. High 19. UV index 6 or high. Thursday night..Clear. Low plus 5. Woodstock - Tillsonburg - Oxford County. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind north 20 km/h becoming light this evening. Low plus 4. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning then light early in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Brantford - County of Brant. Tonight..Clearing early this evening. Low plus 4. Thursday..Sunny. Wind northeast 20 km/h becoming light in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Niagara Falls - Welland - Southern Niagara Region. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low 9. Thursday..Sunny. Wind north 20 km/h. High 19. UV index 6 or high. Thursday night..Clear. Low 7. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Clear. Low 9. Thursday..Sunny. High 19. UV index 6 or high. Thursday night..Clear. Low 7. City of Hamilton. Tonight..Clearing early this evening. Low 6. Thursday..Sunny. Wind northeast 20 km/h becoming light in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low 6. Burlington - Oakville. Tonight..Clear. Wind north 30 km/h becoming light after midnight. Low 8. Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon. High 18. UV index 6 or high. Thursday night..Clear. Low 6. Halton Hills - Milton. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low 8. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 18. UV index 6 or high. Thursday night..Clear. Low 6. Mississauga - Brampton. Tonight..Clear. Wind north 30 km/h becoming light this evening. Low 8. Thursday..Sunny. Wind becoming north 20 km/h in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low 6. Caledon. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low plus 5. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 then light near noon. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Vaughan - Richmond Hill - Markham. Tonight..Clear. Wind north 30 km/h becoming light late this evening. Low 6. Thursday..Sunny. Wind becoming north 20 km/h in the morning. High 19. UV index 6 or high. Thursday night..Clear. Low 6. Newmarket - Georgina - Northern York Region. Tonight..Clear. Wind northwest 20 km/h becoming light this evening. Low 6. Thursday..Sunny. Wind becoming north 20 km/h in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 5. Pickering - Oshawa - Southern Durham Region. Tonight..Clear. Wind northwest 20 km/h becoming light late this evening. Low plus 5. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 19. UV index 6 or high. Thursday night..Clear. Wind northwest 20 km/h becoming light late in the evening. Low 6. Uxbridge - Beaverton - Northern Durham Region. Tonight..Clear. Wind northwest 20 km/h becoming light this evening. Low plus 5. Thursday..Sunny. Wind north 20 km/h. High 18. UV index 6 or high. Thursday night..Clear. Wind northwest 20 km/h becoming light in the evening. Low plus 5. Goderich - Bluewater - Southern Huron County. Tonight..Clear. Wind north 30 km/h gusting to 50 becoming light this evening. Low plus 4. Thursday..Sunny. Wind becoming northwest 30 km/h late in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Wingham - Blyth - Northern Huron County. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning then light early in the afternoon. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Stratford - Mitchell - Southern Perth County. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low plus 3 with risk of frost. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning then light in the afternoon. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Listowel - Milverton - Northern Perth County. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 in the morning then light early in the afternoon. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Kitchener - Cambridge - Region of Waterloo. Tonight..Clear. Wind north 20 km/h becoming light late this evening. Low plus 4 with risk of frost. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Guelph - Erin - Southern Wellington County. Tonight..Clear. Low plus 4. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Mount Forest - Arthur - Northern Wellington County. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 17. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 3 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 17. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Shelburne - Mansfield - Northern Dufferin County. Tonight..Clear. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 17. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Innisfil - New Tecumseth - Angus. Tonight..Clear. Wind northwest 20 km/h becoming light this evening. Low plus 5. Thursday..Sunny. Wind becoming northwest 20 km/h in the morning. High 16. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Clear. Wind north 30 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind becoming north 20 km/h near noon. High 16. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..Clear. Low plus 2 with patchy frost. Thursday..Sunny. High 16. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Hanover - Dundalk - Southern Grey County. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 2 with risk of frost. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 17. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Owen Sound - Blue Mountains - Northern Grey County. Tonight..Clear. Low plus 2 with patchy frost. Thursday..Sunny. High 16. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Barrie - Collingwood - Hillsdale. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon. High 17. UV index 6 or high. Thursday night..Clear. Low plus 4. Midland - Coldwater - Orr Lake. Tonight..Clear. Wind northwest 30 km/h becoming light this evening. Low plus 3 with patchy frost. Thursday..Sunny. Wind becoming northwest 30 km/h in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low 6. Orillia - Lagoon City - Washago. Tonight..Clear. Wind northwest 30 km/h becoming light near midnight. Low plus 3 with patchy frost. Thursday..Sunny. Wind becoming northwest 30 km/h in the morning. High 18. UV index 6 or high. Thursday night..Clear. Wind northwest 30 km/h becoming light after midnight. Low 6. Cobourg - Colborne - Western Northumberland County. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h. High 20. UV index 6 or high. Thursday night..Clear. Low 8. Belleville - Quinte West - Eastern Northumberland County. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h. High 20. UV index 6 or high. Thursday night..Clear. Low 8. Picton - Sandbanks Park. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h. High 20. UV index 6 or high. Thursday night..Clear. Low 8. Napanee - Consecon. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h. High 20. UV index 6 or high. Thursday night..Clear. Low 8. Kingston - Odessa - Frontenac Islands. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 20. UV index 6 or high. Thursday night..Clear. Low 8. Lindsay - Southern Kawartha Lakes. Tonight..Clear. Low plus 5. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 19. UV index 6 or high. Thursday night..Clear. Low plus 5. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Tonight..Clear. Low plus 3 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 19. UV index 6 or high. Thursday night..Clear. Low plus 4. Peterborough City - Lakefield - Southern Peterborough County. Tonight..Clear. Low plus 5. Thursday..Sunny. Wind north 20 km/h. High 19. UV index 6 or high. Thursday night..Clear. Low plus 5. Apsley - Woodview - Northern Peterborough County. Tonight..Clear. Low plus 3 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 19. UV index 6 or high. Thursday night..Clear. Low plus 4. Stirling - Tweed - Madoc. Tonight..Clear. Low 6. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 21. UV index 6 or high. Thursday night..Clear. Low plus 5. Tamworth - Sydenham - South Frontenac. Tonight..Clear. Low 8. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 21. UV index 6 or high. Thursday night..Clear. Low plus 5. Kaladar - Bannockburn - Bon Echo Park. Tonight..Clear. Low plus 5. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low plus 4. Bancroft - Hastings Highlands - Denbigh. Tonight..Clear. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Gananoque - Mallorytown. Tonight..Clear. Low 8. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 20. UV index 6 or high. Thursday night..Clear. Low 6. Brockville - Prescott. Tonight..Clear. Low 8. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 20. UV index 6 or high. Thursday night..Clear. Low 6. Westport - Charleston Lake. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 20. UV index 6 or high. Thursday night..Clear. Low 6. Merrickville-Wolford - Kemptville. Tonight..Clear. Low 7. Thursday..Sunny. Wind becoming north 20 km/h late in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low 6. Ottawa North - Kanata - Orl‚ans. Tonight..Clear. Low 7. Thursday..Sunny. High 20. UV index 6 or high. Thursday night..Clear. Low 7. Ottawa South - Richmond - Metcalfe. Tonight..Clear. Low 7. Thursday..Sunny. High 20. UV index 6 or high. Thursday night..Clear. Low 7. Gatineau. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low 7. Prescott and Russell. Tonight..Clear. Low 7. Thursday..Sunny. Wind becoming northeast 20 km/h in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low 7. Morrisburg - Long Sault. Tonight..Clear. Low 7. Thursday..Sunny. Wind becoming northeast 20 km/h in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Cornwall - Lancaster. Tonight..Clear. Low 7. Thursday..Sunny. Wind northeast 20 km/h becoming light in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Winchester - Newington. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h becoming light early in the afternoon. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Maxville - Alexandria. Tonight..Clear. Low 7. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Plevna - Sharbot Lake - Western Lanark County. Tonight..Clear. Low 6. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Smiths Falls - Perth - Eastern Lanark County. Tonight..Clear. Low 6. Thursday..Sunny. Wind north 20 km/h. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Port Carling - Port Severn. Tonight..Clear. Wind west 30 km/h becoming north 20 early this evening then light late this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind becoming northwest 30 km/h in the morning. High 16. UV index 6 or high. Thursday night..Clear. Wind west 30 km/h becoming light in the evening. Low 7. Bracebridge - Gravenhurst. Tonight..Clear. Low plus 3 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light near noon. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Town of Parry Sound - Rosseau - Killbear Park. Tonight..Clear. Wind north 30 km/h becoming light this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 19. UV index 6 or high. Thursday night..Clear. Wind west 30 km/h becoming light in the evening. Low 6. Huntsville - Baysville. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 3 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Haliburton - Minden - Southern Haliburton County. Tonight..Clear. Low plus 3 with risk of frost. Thursday..Sunny. Wind north 20 km/h becoming light late in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Tonight..Clear. Low plus 2 with risk of frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Barry's Bay - Killaloe. Tonight..Clear. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. Renfrew - Arnprior - Calabogie. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 4. Thursday..Sunny. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Petawawa - Pembroke - Cobden. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low plus 4. Thursday..Sunny. Wind becoming northwest 20 km/h in the afternoon. High 20. UV index 6 or high. Thursday night..Clear. Low plus 5. Western Algonquin Park - Lake of Two Rivers. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 2 with patchy frost. Deep River - Whitney - Eastern Algonquin Park. Tonight..Clear. Wind north 20 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 2 with patchy frost. Bayfield Inlet - Dunchurch. Tonight..Clear. Fog patches developing before morning. Wind north 20 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Fog patches dissipating in the morning. Wind north 20 km/h becoming light in the morning. High 19. UV index 6 or high. Thursday night..Clear. Low 6. South River - Burk's Falls. Tonight..Clear. Fog patches developing before morning. Wind north 20 km/h becoming light early this evening. Low plus 2 with patchy frost. Thursday..Sunny. Fog patches dissipating in the morning. Wind north 20 km/h becoming light in the morning. High 18. UV index 6 or high. Thursday night..Clear. Low plus 3 with risk of frost. End $$$$^^ --- up 2 weeks, 1 day, 23 hours, 25 minutes * Origin: Northern Realms (1:229/664) .