FPCN11 CWTO 031930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Tuesday 3 September 2024 for
tonight Wednesday and Wednesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT
Wednesday.

City of Toronto.
Tonight..Clear. Low 11.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 14.

Windsor - Leamington - Essex County.
Tonight..Clear. Low 11.
Wednesday..Sunny. Hazy. High 25. Humidex 27. UV index 7 or high.
Wednesday night..Clear. Hazy in the evening. Low 14.

Chatham-Kent - Rondeau Park.
Tonight..Clear. Low 11.
Wednesday..Sunny. Hazy. High 25. Humidex 27. UV index 7 or high.
Wednesday night..Clear. Low 14.

Sarnia - Petrolia - Western Lambton County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the morning. High 25. Humidex 28. UV
 index 7 or high.
Wednesday night..Clear. Low 12.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the morning. High 25. Humidex 28. UV
 index 7 or high.
Wednesday night..Clear. Low 12.

Rodney - Shedden - Western Elgin County.
Tonight..Clear. Low 8.
Wednesday..Sunny. High 24. Humidex 26. UV index 7 or high.
Wednesday night..Clear. Low 13.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Clear. Low 8.
Wednesday..Sunny. High 24. Humidex 26. UV index 7 or high.
Wednesday night..Clear. Low 13.

Strathroy - Komoka - Western Middlesex County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the morning. High 24. Humidex 25. UV
 index 7 or high.
Wednesday night..Clear. Low 11.

London - Parkhill - Eastern Middlesex County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the morning. High 24. Humidex 25. UV
 index 7 or high.
Wednesday night..Clear. Low 11.

Simcoe - Delhi - Norfolk.
Tonight..Clear. Low 7.
Wednesday..Sunny. High 24. UV index 7 or high.
Wednesday night..Clear. Low 12.

Dunnville - Caledonia - Haldimand.
Tonight..Clear. Low 7.
Wednesday..Sunny. High 24. Humidex 25. UV index 7 or high.
Wednesday night..Clear. Low 12.

Woodstock - Tillsonburg - Oxford County.
Tonight..Clear. Low 7.
Wednesday..Sunny. High 24. Humidex 26. UV index 7 or high.
Wednesday night..Clear. Low 11.

Brantford - County of Brant.
Tonight..Clear. Low 7.
Wednesday..Sunny. High 25. Humidex 27. UV index 7 or high.
Wednesday night..Clear. Low 11.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Clear. Low 16.
Wednesday..Sunny. High 24. Humidex 27. UV index 7 or high.
Wednesday night..Clear. Low 19.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Clear. Low 9.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 15.

City of Hamilton.
Tonight..Clear. Low 8.
Wednesday..Sunny. High 24. Humidex 26. UV index 7 or high.
Wednesday night..Clear. Low 12.

Burlington - Oakville.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 13.

Halton Hills - Milton.
Tonight..Clear. Low 10.
Wednesday..Sunny. Hazy in the afternoon. High 24. Humidex 27. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 13.

Mississauga - Brampton.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 13.

Caledon.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 13.

Vaughan - Richmond Hill - Markham.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 13.

Newmarket - Georgina - Northern York Region.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 13.

Pickering - Oshawa - Southern Durham Region.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 13.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 13.

Goderich - Bluewater - Southern Huron County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the afternoon. High 25. Humidex 27. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Wind southeast 20 km/h.
 Low 11.

Wingham - Blyth - Northern Huron County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy. High 25. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 11.

Stratford - Mitchell - Southern Perth County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the afternoon. High 25. Humidex 27. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 11.

Listowel - Milverton - Northern Perth County.
Tonight..Clear. Low 7.
Wednesday..Sunny. Hazy in the afternoon. High 25. Humidex 27. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 11.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Clear. Low 6.
Wednesday..Sunny. Hazy in the afternoon. High 24. Humidex 26. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 10.

Guelph - Erin - Southern Wellington County.
Tonight..Clear. Low 6.
Wednesday..Sunny. Hazy in the afternoon. High 24. Humidex 26. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 10.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Clear. Low 6.
Wednesday..Sunny. Hazy in the afternoon. High 24. Humidex 26. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 10.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Clear. Low 10.
Wednesday..Sunny. Hazy in the afternoon. High 24. Humidex 26. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 13.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Clear. Low 10.
Wednesday..Sunny. Hazy in the afternoon. High 24. Humidex 26. UV
 index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 13.

Innisfil - New Tecumseth - Angus.
Tonight..Clear. Low 6.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 8.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Clear. Low 9.
Wednesday..Sunny. Hazy. Wind becoming southwest 20 km/h in the
 afternoon. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 13.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Partly cloudy. Becoming clear this evening. Wind west
 30 km/h becoming light early this evening. Low 9.
Wednesday..Sunny. Hazy. Wind southwest 20 km/h becoming light in the
 afternoon. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 13.

Hanover - Dundalk - Southern Grey County.
Tonight..Clear. Low 9.
Wednesday..Sunny. Hazy. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Hazy in the evening. Low 13.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Clear. Wind southwest 30 km/h becoming light this evening.
 Low 15.
Wednesday..Sunny. Hazy. Wind becoming southwest 20 km/h in the
 morning. High 23. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Hazy in the evening. Wind becoming south
 20 km/h gusting to 40 near midnight. Low 16.

Barrie - Collingwood - Hillsdale.
Tonight..Clear. Low 10.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 11.

Midland - Coldwater - Orr Lake.
Tonight..Clear. Low 15.
Wednesday..Sunny. Wind becoming south 20 km/h late in the morning.
 High 24. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 15.

Orillia - Lagoon City - Washago.
Tonight..Clear. Low 15.
Wednesday..Sunny. High 24. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Wind south 20 km/h becoming light near
 midnight. Low 15.

Cobourg - Colborne - Western Northumberland County.
Tonight..Clearing early this evening. Wind southwest 30 km/h becoming
 light this evening. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 14.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Clearing early this evening. Wind southwest 30 km/h becoming
 light this evening. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 14.

Picton - Sandbanks Park.
Tonight..Clearing early this evening. Wind southwest 30 km/h becoming
 light this evening. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 14.

Napanee - Consecon.
Tonight..Clearing early this evening. Wind southwest 30 km/h becoming
 light this evening. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 14.

Kingston - Odessa - Frontenac Islands.
Tonight..Partly cloudy. Becoming clear this evening. Wind southwest
 30 km/h becoming light this evening. Low 10.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Wind becoming south 20 km/h before morning.
 Low 14.

Lindsay - Southern Kawartha Lakes.
Tonight..Clear. Wind west 20 km/h becoming light early this evening.
 Low 6.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 9.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Partly cloudy. Becoming clear this evening. Wind west
 20 km/h becoming light early this evening. Low 6.
Wednesday..Sunny. Wind becoming south 20 km/h late in the morning.
 High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 9.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Clear. Low 6.
Wednesday..Sunny. High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 9.

Apsley - Woodview - Northern Peterborough County.
Tonight..Clearing early this evening. Wind west 20 km/h becoming
 light this evening. Low 6.
Wednesday..Sunny. Wind becoming south 20 km/h late in the morning.
 High 24. Humidex 26. UV index 6 or high.
Wednesday night..Clear. Low 9.

Stirling - Tweed - Madoc.
Tonight..Clearing. Low 8.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 10.

Tamworth - Sydenham - South Frontenac.
Tonight..Partly cloudy. Becoming clear this evening. Wind west
 20 km/h becoming light early this evening. Low 8.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 10.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Partly cloudy. Clearing this evening. Wind west 20 km/h
 becoming light this evening. Low 6.
Wednesday..Sunny. High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 7.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Clearing. Wind west 20 km/h becoming light this evening.
 Low 6.
Wednesday..Sunny. Wind becoming southwest 20 km/h in the morning.
 High 24. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 7.

Gananoque - Mallorytown.
Tonight..Clear. Wind west 20 km/h becoming light early this evening.
 Low 11.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 11.

Brockville - Prescott.
Tonight..Clearing early this evening. Wind southwest 20 km/h becoming
 light early this evening. Low 11.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 11.

Westport - Charleston Lake.
Tonight..Clear. Wind west 20 km/h becoming light early this evening.
 Low 11.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 11.

Merrickville-Wolford - Kemptville.
Tonight..Partly cloudy. Becoming clear this evening. Wind west
 20 km/h becoming light early this evening. Low 11.
Wednesday..Sunny. Wind southwest 20 km/h becoming light late in the
 morning. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 11.

Ottawa North - Kanata - Orl‚ans.
Tonight..Clear. Hazy early this evening. Wind southwest 20 km/h
 becoming light this evening. Low 10.
Wednesday..Sunny. Wind becoming southwest 20 km/h late in the
 morning. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 10.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear. Hazy early this evening. Wind southwest 20 km/h
 becoming light this evening. Low 10.
Wednesday..Sunny. Wind becoming southwest 20 km/h late in the
 morning. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 10.

Gatineau.
Tonight..Partly cloudy. Becoming clear near midnight. Hazy early this
 evening. Wind west 20 km/h becoming light early this evening.
 Low 10.
Wednesday..Sunny. Wind becoming south 20 km/h late in the morning.
 High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 10.

Prescott and Russell.
Tonight..Clear. Hazy early this evening. Wind west 20 km/h becoming
 light this evening. Low 9.
Wednesday..Sunny. Wind becoming southwest 20 km/h late in the
 morning. High 25. Humidex 29. UV index 6 or high.
Wednesday night..Clear. Low 9.

Morrisburg - Long Sault.
Tonight..Clear. Wind west 20 km/h becoming light early this evening.
 Low 9.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 9.

Cornwall - Lancaster.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light this
 evening. Low 9.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 9.

Winchester - Newington.
Tonight..Clear. Wind southwest 20 km/h becoming light this evening.
 Low 9.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 9.

Maxville - Alexandria.
Tonight..Clear. Wind west 20 km/h becoming light early this evening.
 Low 9.
Wednesday..Sunny. Wind becoming southwest 20 km/h late in the
 morning. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 9.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Partly cloudy. Becoming clear this evening. Wind west
 20 km/h becoming light early this evening. Low 8.
Wednesday..Sunny. Wind southwest 20 km/h becoming light in the
 afternoon. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 9.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Clear. Hazy early this evening. Wind southwest 20 km/h
 becoming light this evening. Low 8.
Wednesday..Sunny. High 25. Humidex 28. UV index 6 or high.
Wednesday night..Clear. Low 9.

Port Carling - Port Severn.
Tonight..Clear. Fog patches developing overnight. Wind northwest
 20 km/h becoming light early this evening. Low 12.
Wednesday..Sunny. Fog patches dissipating in the morning. High 25.
 Humidex 29. UV index 6 or high.
Wednesday night..Clear. Low 14.

Bracebridge - Gravenhurst.
Tonight..Clear. Fog patches developing overnight. Wind west 20 km/h
 becoming light early this evening. Low 6.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming south 20 km/h late in the morning. High 24. Humidex 26. UV
 index 6 or high.
Wednesday night..Clear. Low 9.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Clear. Fog patches developing overnight. Wind west 30 km/h
 becoming light this evening. Low 14.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h late in the morning. High 24. Humidex 26.
 UV index 6 or high.
Wednesday night..Clear. Low 15.

Huntsville - Baysville.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Wind west 20 km/h becoming light this evening. Low 8.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h late in the morning. High 23. Humidex 25.
 UV index 6 or high.
Wednesday night..Clear. Low 11.

Haliburton - Minden - Southern Haliburton County.
Tonight..Clearing early this evening. Wind west 20 km/h becoming
 light this evening. Low 7.
Wednesday..Sunny. Wind becoming southwest 20 km/h late in the
 morning. High 23. Humidex 25. UV index 6 or high.
Wednesday night..Clear. Low 9.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..Clearing. Fog patches developing overnight. Wind west
 20 km/h gusting to 40 becoming light this evening. Low 7.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h in the morning. High 23. Humidex 25. UV
 index 6 or high.
Wednesday night..Clear. Low 9.

Barry's Bay - Killaloe.
Tonight..Clearing. Hazy early this evening. Wind west 20 km/h
 becoming light early this evening. Low 8.
Wednesday..Sunny. Wind becoming southwest 20 km/h in the morning.
 High 25. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Wind south 20 km/h becoming light in the
 evening. Low 12.

Renfrew - Arnprior - Calabogie.
Tonight..Clear. Hazy early this evening. Wind west 20 km/h becoming
 light early this evening. Low 8.
Wednesday..Sunny. Wind becoming southwest 20 km/h in the morning.
 High 25. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Low 12.

Petawawa - Pembroke - Cobden.
Tonight..Clear. Hazy early this evening. Wind west 30 km/h becoming
 light early this evening. Low 8.
Wednesday..Sunny. Wind becoming south 20 km/h late in the morning.
 High 25. Humidex 27. UV index 6 or high.
Wednesday night..Clear. Wind southwest 20 km/h becoming light near
 midnight. Low 12.

Western Algonquin Park - Lake of Two Rivers.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Wind west 20 km/h becoming light this evening. Low
 plus 4.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h in the morning. High 23. UV index 6 or
 high.
Wednesday night..Clear. Low 8.

Deep River - Whitney - Eastern Algonquin Park.
Tonight..Clearing. Fog patches developing overnight. Wind west
 20 km/h gusting to 40 becoming light this evening. Low plus 4.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h in the morning. High 23. UV index 6 or
 high.
Wednesday night..Clear. Low 8.

Bayfield Inlet - Dunchurch.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Wind west 20 km/h becoming light this evening. Low 10.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h in the morning. High 23. Humidex 25. UV
 index 6 or high.
Wednesday night..Clear. Low 13.

South River - Burk's Falls.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Wind west 20 km/h becoming light this evening. Low 10.
Wednesday..Sunny. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h in the morning. High 23. Humidex 25. UV
 index 6 or high.
Wednesday night..Clear. Low 13.

End
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