FPCN11 CWTO 151930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Sunday 15 June 2025 for
tonight Monday and Monday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Monday.

City of Toronto.
Tonight..Partly cloudy. Becoming clear this evening. Increasing
 cloudiness before morning. Low 14.
Monday..Mainly cloudy. Clearing late in the afternoon. High 24.
 Humidex 29. UV index 8 or very high.
Monday night..A few clouds. Increasing cloudiness before morning.
 Low 16.

Windsor - Leamington - Essex County.
Tonight..Clear. Becoming partly cloudy this evening. Low 15.
Monday..Mainly cloudy. High 27. Humidex 35. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

Chatham-Kent - Rondeau Park.
Tonight..Clear. Becoming partly cloudy this evening. Low 15.
Monday..Mainly cloudy. High 27. Humidex 35. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

Sarnia - Petrolia - Western Lambton County.
Tonight..Partly cloudy. Wind east 20 km/h gusting to 40 becoming
 light this evening. Low 14.
Monday..Mainly cloudy. High 24. Humidex 29. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Partly cloudy. Wind east 20 km/h gusting to 40 becoming
 light this evening. Low 14.
Monday..Mainly cloudy. High 26. Humidex 32. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

Rodney - Shedden - Western Elgin County.
Tonight..Clear. Becoming partly cloudy this evening. Low 15.
Monday..Mainly cloudy. High 26. Humidex 31. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Clear. Becoming partly cloudy this evening. Low 15.
Monday..Mainly cloudy. High 26. Humidex 31. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

Strathroy - Komoka - Western Middlesex County.
Tonight..Partly cloudy. Wind east 20 km/h gusting to 40 becoming
 light this evening. Low 14.
Monday..Mainly cloudy. High 28. Humidex 34. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

London - Parkhill - Eastern Middlesex County.
Tonight..Partly cloudy. Wind east 20 km/h gusting to 40 becoming
 light this evening. Low 14.
Monday..Mainly cloudy. High 28. Humidex 34. UV index 10 or very high.
Monday night..Partly cloudy. Low 17.

Simcoe - Delhi - Norfolk.
Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming
 light this evening. Low 13.
Monday..Mainly cloudy. High 26. Humidex 31. UV index 10 or very high.
Monday night..Partly cloudy. Becoming clear in the evening.
 Increasing cloudiness before morning. Low 17.

Dunnville - Caledonia - Haldimand.
Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming
 light this evening. Low 14.
Monday..Mainly cloudy. High 26. Humidex 32. UV index 10 or very high.
Monday night..Partly cloudy. Becoming clear in the evening.
 Increasing cloudiness before morning. Low 17.

Woodstock - Tillsonburg - Oxford County.
Tonight..Partly cloudy. Wind east 20 km/h gusting to 40 becoming
 light this evening. Low 13.
Monday..Mainly cloudy. High 27. Humidex 32. UV index 10 or very high.
Monday night..Partly cloudy. Low 18.

Brantford - County of Brant.
Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming
 light this evening. Low 13.
Monday..Mainly cloudy. High 27. Humidex 32. UV index 10 or very high.
Monday night..Partly cloudy. Becoming clear in the evening.
 Increasing cloudiness before morning. Low 18.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming
 light this evening. Low 13.
Monday..Mainly cloudy. High 24. Humidex 30. UV index 10 or very high.
Monday night..Partly cloudy. Becoming clear in the evening.
 Increasing cloudiness before morning. Low 17.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming
 light this evening. Low 13.
Monday..Mainly cloudy. High 24. Humidex 30. UV index 10 or very high.
Monday night..Partly cloudy. Becoming clear in the evening.
 Increasing cloudiness before morning. Low 17.

City of Hamilton.
Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming
 light this evening. Low 13.
Monday..Mainly cloudy. High 24. Humidex 30. UV index 10 or very high.
Monday night..Partly cloudy. Becoming clear in the evening.
 Increasing cloudiness before morning. Low 17.

Burlington - Oakville.
Tonight..Partly cloudy. Becoming clear this evening. Increasing
 cloudiness before morning. Low 13.
Monday..Mainly cloudy. Clearing late in the afternoon. High 20.
 Humidex 25. UV index 9 or very high.
Monday night..A few clouds. Increasing cloudiness before morning.
 Low 14.

Halton Hills - Milton.
Tonight..Partly cloudy. Becoming clear this evening. Increasing
 cloudiness before morning. Low 12.
Monday..Mainly cloudy. Clearing late in the afternoon. High 26.
 Humidex 31. UV index 9 or very high.
Monday night..A few clouds. Increasing cloudiness before morning.
 Low 15.

Mississauga - Brampton.
Tonight..Partly cloudy. Becoming clear this evening. Increasing
 cloudiness before morning. Low 12.
Monday..Mainly cloudy. Clearing late in the afternoon. High 26.
 Humidex 31. UV index 9 or very high.
Monday night..A few clouds. Increasing cloudiness before morning.
 Low 15.

Caledon.
Tonight..A few clouds. Low 12.
Monday..A mix of sun and cloud. High 26. Humidex 31. UV index 10 or
 very high.
Monday night..Clear. Low 15.

Vaughan - Richmond Hill - Markham.
Tonight..Partly cloudy. Becoming clear this evening. Increasing
 cloudiness before morning. Low 11.
Monday..Mainly cloudy. Clearing late in the afternoon. High 27.
 Humidex 32. UV index 9 or very high.
Monday night..A few clouds. Increasing cloudiness before morning.
 Low 15.

Newmarket - Georgina - Northern York Region.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Low 11.
Monday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 27. Humidex 32. UV index 10 or very
 high.
Monday night..Clear. Low 15.

Pickering - Oshawa - Southern Durham Region.
Tonight..Partly cloudy. Becoming clear this evening. Increasing
 cloudiness before morning. Low 11.
Monday..Mainly cloudy. Clearing late in the afternoon. High 27.
 Humidex 32. UV index 9 or very high.
Monday night..A few clouds. Increasing cloudiness before morning.
 Low 15.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Low 11.
Monday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 27. Humidex 32. UV index 10 or very
 high.
Monday night..Clear. Low 15.

Goderich - Bluewater - Southern Huron County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 27. Humidex 31. UV index 9 or
 very high.
Monday night..Clear. Low 17.

Wingham - Blyth - Northern Huron County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 27. Humidex 31. UV index 9 or
 very high.
Monday night..Clear. Low 17.

Stratford - Mitchell - Southern Perth County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 27. Humidex 31. UV index 9 or
 very high.
Monday night..Clear. Low 17.

Listowel - Milverton - Northern Perth County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 27. Humidex 31. UV index 9 or
 very high.
Monday night..Clear. Low 17.

Kitchener - Cambridge - Region of Waterloo.
Tonight..A few clouds. Low 11.
Monday..A mix of sun and cloud. High 27. Humidex 32. UV index 10 or
 very high.
Monday night..Clear. Low 15.

Guelph - Erin - Southern Wellington County.
Tonight..A few clouds. Low 11.
Monday..A mix of sun and cloud. High 27. Humidex 32. UV index 10 or
 very high.
Monday night..Clear. Low 15.

Mount Forest - Arthur - Northern Wellington County.
Tonight..A few clouds. Low 11.
Monday..A mix of sun and cloud. High 27. Humidex 32. UV index 10 or
 very high.
Monday night..Clear. Low 15.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 26. Humidex 31. UV index 9 or
 very high.
Monday night..Clear. Low 16.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 26. Humidex 31. UV index 9 or
 very high.
Monday night..Clear. Low 16.

Innisfil - New Tecumseth - Angus.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Low 8.
Monday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 26. Humidex 31. UV index 9 or very
 high.
Monday night..Clear. Low 13.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..A few clouds. Low 14.
Monday..A mix of sun and cloud. High 25. Humidex 27. UV index 9 or
 very high.
Monday night..Clear. Low 17.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Clearing early this evening. Low 11.
Monday..Sunny. High 21. UV index 9 or very high.
Monday night..Clear. Low 15.

Hanover - Dundalk - Southern Grey County.
Tonight..A few clouds. Low 13.
Monday..A mix of sun and cloud. High 27. Humidex 29. UV index 9 or
 very high.
Monday night..Clear. Low 17.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..A few clouds. Low 11.
Monday..A mix of sun and cloud. High 24. Humidex 28. UV index 9 or
 very high.
Monday night..Clear. Low 15 with temperature rising to 20 by morning.

Barrie - Collingwood - Hillsdale.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Low 11.
Monday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 25. Humidex 28. UV index 9 or very
 high.
Monday night..Clear. Low 14.

Midland - Coldwater - Orr Lake.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Low 11.
Monday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 25. Humidex 28. UV index 9 or very
 high.
Monday night..Clear. Low 14.

Orillia - Lagoon City - Washago.
Tonight..Clearing early this evening. Fog patches developing
 overnight. Low 11.
Monday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 25. Humidex 28. UV index 9 or very
 high.
Monday night..Clear. Low 14.

Cobourg - Colborne - Western Northumberland County.
Tonight..Clearing early this evening. Low 12.
Monday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 24. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 16.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Clearing early this evening. Low 12.
Monday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 24. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 16.

Picton - Sandbanks Park.
Tonight..Clearing early this evening. Low 12.
Monday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 24. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 16.

Napanee - Consecon.
Tonight..Clearing early this evening. Low 12.
Monday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 24. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 16.

Kingston - Odessa - Frontenac Islands.
Tonight..Clearing early this evening. Low 12.
Monday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 24. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 16.

Lindsay - Southern Kawartha Lakes.
Tonight..Clearing early this evening. Low 8.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 32. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 13.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Clearing early this evening. Low 8.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 32. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 13.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Clearing early this evening. Low 8.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 32. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 13.

Apsley - Woodview - Northern Peterborough County.
Tonight..Clearing early this evening. Low 8.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 32. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 13.

Stirling - Tweed - Madoc.
Tonight..Clearing early this evening. Low 10.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 30. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 16.

Tamworth - Sydenham - South Frontenac.
Tonight..Clearing early this evening. Low 10.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 30. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 16.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Clearing early this evening. Low 6.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 30. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 15.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Clearing early this evening. Low 6.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 30. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 15.

Gananoque - Mallorytown.
Tonight..Clearing early this evening. Low 10.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 31. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 17.

Brockville - Prescott.
Tonight..Clear. Fog patches developing overnight. Low 10.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 17.

Westport - Charleston Lake.
Tonight..Clearing early this evening. Low 10.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 31. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 17.

Merrickville-Wolford - Kemptville.
Tonight..Clear. Fog patches developing overnight. Low 10.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 17.

Ottawa North - Kanata - Orl�ans.
Tonight..Clear. Fog patches developing overnight. Low 9.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear. Fog patches developing overnight. Low 9.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Gatineau.
Tonight..Clear. Fog patches developing overnight. Low 9.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 15.

Prescott and Russell.
Tonight..Clear. Fog patches developing overnight. Low 9.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Morrisburg - Long Sault.
Tonight..Clear. Fog patches developing overnight. Low 8.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Cornwall - Lancaster.
Tonight..Clear. Fog patches developing overnight. Low 8.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Winchester - Newington.
Tonight..Clear. Fog patches developing overnight. Low 8.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Maxville - Alexandria.
Tonight..Clear. Fog patches developing overnight. Low 8.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 9 or very high.
Monday night..Clear. Low 16.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Clearing early this evening. Low 9.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 27.
 Humidex 30. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 15.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Clear. Fog patches developing overnight. Low 9.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 30. UV index 9 or very high.
Monday night..Clear. Low 15.

Port Carling - Port Severn.
Tonight..Clearing early this evening. Low 11.
Monday..Sunny. High 27. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 15.

Bracebridge - Gravenhurst.
Tonight..Clearing early this evening. Low 11.
Monday..Sunny. High 27. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 15.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Clear. Low 11.
Monday..Sunny. High 27. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 15.

Huntsville - Baysville.
Tonight..Clear. Low 11.
Monday..Sunny. High 27. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 15.

Haliburton - Minden - Southern Haliburton County.
Tonight..Clearing early this evening. Low 9.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 25.
 Humidex 27. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 14.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..Clearing early this evening. Low 9.
Monday..Sunny. Becoming a mix of sun and cloud near noon. High 25.
 Humidex 27. UV index 9 or very high.
Monday night..Clearing late in the evening. Low 14.

Barry's Bay - Killaloe.
Tonight..Clear. Fog patches developing overnight. Low 7.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 13.

Renfrew - Arnprior - Calabogie.
Tonight..Clear. Fog patches developing overnight. Low 7.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 13.

Petawawa - Pembroke - Cobden.
Tonight..Clear. Fog patches developing overnight. Low 7.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 29. UV index 9 or very high.
Monday night..Clear. Low 13.

Western Algonquin Park - Lake of Two Rivers.
Tonight..Clear. Fog patches developing overnight. Low 6.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 25. Humidex 27. UV index 9 or very high.
Monday night..Clear. Low 13.

Deep River - Whitney - Eastern Algonquin Park.
Tonight..Clear. Fog patches developing overnight. Low 6.
Monday..Mainly sunny. Fog patches dissipating in the morning.
 High 25. Humidex 27. UV index 9 or very high.
Monday night..Clear. Low 13.

Bayfield Inlet - Dunchurch.
Tonight..Clear. Low 12.
Monday..Sunny. High 25. Humidex 27. UV index 9 or very high.
Monday night..Clear. Low 15.

South River - Burk's Falls.
Tonight..Clear. Low 12.
Monday..Sunny. High 25. Humidex 27. UV index 9 or very high.
Monday night..Clear. Low 15.

End
$$$$^^

--- up 5 days, 11 hours, 10 minutes
 * Origin: Northern Realms (618:400/23)