FPCN11 CWTO 231500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Friday 23 October 2026 for
today and Saturday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low plus 3 with risk of frost.
Saturday..Sunny. High 15. UV index 3 or moderate.

Windsor - Leamington - Essex County.
Today..A mix of sun and cloud. High 18. UV index 4 or moderate.
Tonight..Clear. Fog patches developing overnight. Low 6.
Saturday..Sunny. Fog patches dissipating in the morning. High 19. UV
 index 4 or moderate.

Chatham-Kent - Rondeau Park.
Today..Mainly sunny. High 18. UV index 4 or moderate.
Tonight..Clear. Fog patches developing overnight. Low 6.
Saturday..Sunny. Fog patches dissipating in the morning. High 19. UV
 index 4 or moderate.

Sarnia - Petrolia - Western Lambton County.
Today..Mainly sunny. High 17. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 18. UV index 4 or moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..Sunny. High 17. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 18. UV index 4 or moderate.

Rodney - Shedden - Western Elgin County.
Today..A mix of sun and cloud. Becoming sunny this afternoon.
 High 16. UV index 4 or moderate.
Tonight..Clear. Low plus 2.
Saturday..Sunny. High 17. UV index 4 or moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Sunny. High 16. UV index 4 or moderate.
Tonight..Clear. Low plus 2.
Saturday..Sunny. High 17. UV index 4 or moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Mainly sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 18. UV index 4 or moderate.

London - Parkhill - Eastern Middlesex County.
Today..Sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 18. UV index 4 or moderate.

Simcoe - Delhi - Norfolk.
Today..Sunny. High 15. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 17. UV index 4 or moderate.

Dunnville - Caledonia - Haldimand.
Today..Sunny. High 15. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 16. UV index 3 or moderate.

Woodstock - Tillsonburg - Oxford County.
Today..Sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 17. UV index 4 or moderate.

Brantford - County of Brant.
Today..A mix of sun and cloud. Becoming sunny this afternoon.
 High 14. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low zero.
Saturday..Sunny. Fog patches dissipating in the morning. High 17. UV
 index 4 or moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..Sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low plus 2 with patchy frost.
Saturday..Sunny. High 16. UV index 3 or moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Sunny. High 15. UV index 3 or moderate.
Tonight..Clear. Low plus 2 with patchy frost.
Saturday..Sunny. High 16. UV index 3 or moderate.

City of Hamilton.
Today..A mix of sun and cloud. Becoming sunny this afternoon.
 High 14. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low plus 3.
Saturday..Sunny. Fog patches dissipating in the morning. High 17. UV
 index 3 or moderate.

Burlington - Oakville.
Today..Clearing this afternoon. High 13. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low plus 3 with
 risk of frost.
Saturday..Sunny. Fog patches dissipating in the morning. High 15. UV
 index 3 or moderate.

Halton Hills - Milton.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low plus 2.
Saturday..Sunny. Fog patches dissipating in the morning. High 15. UV
 index 3 or moderate.

Mississauga - Brampton.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low plus 2 with patchy frost.
Saturday..Sunny. High 15. UV index 3 or moderate.

Caledon.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low plus 2.
Saturday..Sunny. Fog patches dissipating in the morning. High 15. UV
 index 3 or moderate.

Vaughan - Richmond Hill - Markham.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low minus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Newmarket - Georgina - Northern York Region.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low minus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low minus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low minus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Goderich - Bluewater - Southern Huron County.
Today..Mainly sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Wind southeast 20 km/h becoming light after midnight.
 Low zero.
Saturday..Sunny. High 17. UV index 3 or moderate.

Wingham - Blyth - Northern Huron County.
Today..Mainly sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 17. UV index 3 or moderate.

Stratford - Mitchell - Southern Perth County.
Today..Sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 17. UV index 3 or moderate.

Listowel - Milverton - Northern Perth County.
Today..Mainly sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 17. UV index 3 or moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low zero.
Saturday..Sunny. Fog patches dissipating in the morning. High 16. UV
 index 3 or moderate.

Guelph - Erin - Southern Wellington County.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low zero.
Saturday..Sunny. Fog patches dissipating in the morning. High 16. UV
 index 3 or moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 16. UV index 3 or moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 15. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 15. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Innisfil - New Tecumseth - Angus.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 15. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Mainly sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low plus 2.
Saturday..Sunny. High 16. UV index 3 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Mainly sunny. High 16. UV index 3 or moderate.
Tonight..Clear. Low plus 2.
Saturday..Sunny. High 16. UV index 3 or moderate.

Hanover - Dundalk - Southern Grey County.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 16. UV index 3 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 16. UV index 3 or moderate.

Barrie - Collingwood - Hillsdale.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 14. UV index 3 or moderate.

Midland - Coldwater - Orr Lake.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Orillia - Lagoon City - Washago.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Picton - Sandbanks Park.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Napanee - Consecon.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Kingston - Odessa - Frontenac Islands.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low plus 1.
Saturday..Sunny. High 15. UV index 3 or moderate.

Lindsay - Southern Kawartha Lakes.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 3. Wind chill minus 6
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 15. Wind chill minus 7 in
 the morning. UV index 3 or moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 3. Wind chill minus 6
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 15. Wind chill minus 7 in
 the morning. UV index 3 or moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low minus 4.
Saturday..Sunny. Wind up to 15 km/h. High 15. Wind chill minus 6 in
 the morning. UV index 3 or moderate.

Apsley - Woodview - Northern Peterborough County.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low minus 4.
Saturday..Sunny. Wind up to 15 km/h. High 15. Wind chill minus 6 in
 the morning. UV index 3 or moderate.

Stirling - Tweed - Madoc.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 1. Wind chill minus 5
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 5 in
 the morning. UV index 3 or moderate.

Tamworth - Sydenham - South Frontenac.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 1. Wind chill minus 5
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 5 in
 the morning. UV index 3 or moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 14. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Bancroft - Hastings Highlands - Denbigh.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Wind up to 15 km/h.
 Low minus 5. Wind chill minus 7 overnight.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 14. Wind chill minus 7 in the morning. UV index 3 or
 moderate.

Gananoque - Mallorytown.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Low minus 1.
Saturday..Sunny. High 14. UV index 3 or moderate.

Brockville - Prescott.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Low minus 1.
Saturday..Sunny. High 14. UV index 3 or moderate.

Westport - Charleston Lake.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Low minus 1.
Saturday..Sunny. High 14. UV index 3 or moderate.

Merrickville-Wolford - Kemptville.
Today..Sunny. High 11. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 2. Wind chill
 minus 4 overnight.
Saturday..Sunny. High 13. UV index 3 or moderate.

Ottawa North - Kanata - Orl�ans.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Ottawa South - Richmond - Metcalfe.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Gatineau.
Today..Sunny. High 13. UV index 3 or moderate.
Tonight..Partly cloudy. Low minus 1.
Saturday..Sunny. High 14. UV index 3 or moderate.

Prescott and Russell.
Today..Sunny. High 11. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 13. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Morrisburg - Long Sault.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Cornwall - Lancaster.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Winchester - Newington.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Maxville - Alexandria.
Today..Sunny. High 12. UV index 3 or moderate.
Tonight..Partly cloudy. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 4 in
 the morning. UV index 3 or moderate.

Plevna - Sharbot Lake - Western Lanark County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
 High 11. UV index 3 or moderate.
Tonight..Partly cloudy. Becoming clear near midnight. Fog patches
 developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 13. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Smiths Falls - Perth - Eastern Lanark County.
Today..Sunny. High 11. UV index 3 or moderate.
Tonight..Partly cloudy. Fog patches developing overnight. Low
 minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 13. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Port Carling - Port Severn.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 4. Wind chill minus 9
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 16. Wind chill minus 9 in
 the morning. UV index 3 or moderate.

Bracebridge - Gravenhurst.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 4. Wind chill minus 7
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 16. Wind chill minus 8 in
 the morning. UV index 3 or moderate.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low minus 1.
Saturday..Sunny. High 16. UV index 3 or moderate.

Huntsville - Baysville.
Today..Mainly sunny. High 14. UV index 3 or moderate.
Tonight..Clear. Low minus 2.
Saturday..Sunny. Wind up to 15 km/h. High 16. Wind chill minus 5 in
 the morning. UV index 3 or moderate.

Haliburton - Minden - Southern Haliburton County.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low minus 3.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 5 in
 the morning. UV index 3 or moderate.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Low minus 3.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 5 in
 the morning. UV index 3 or moderate.

Barry's Bay - Killaloe.
Today..Mainly sunny. High 11. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 4.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 14. Wind chill minus 6 in the morning. UV index 3 or
 moderate.

Renfrew - Arnprior - Calabogie.
Today..Mainly sunny. High 11. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 14. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Petawawa - Pembroke - Cobden.
Today..Mainly sunny. High 11. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Low minus 3.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 14. Wind chill minus 5 in the morning. UV index 3 or
 moderate.

Western Algonquin Park - Lake of Two Rivers.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 5. Wind chill minus 9
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 14. Wind chill minus 9 in
 the morning. UV index 3 or moderate.

Deep River - Whitney - Eastern Algonquin Park.
Today..Mainly sunny. High 12. UV index 3 or moderate.
Tonight..Clear. Fog patches developing overnight. Wind up to 15 km/h.
 Low minus 5. Wind chill minus 7 overnight.
Saturday..Sunny. Fog patches dissipating in the morning. Wind up to
 15 km/h. High 14. Wind chill minus 7 in the morning. UV index 3 or
 moderate.

Bayfield Inlet - Dunchurch.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Low zero.
Saturday..Sunny. High 15. UV index 3 or moderate.

South River - Burk's Falls.
Today..Mainly sunny. High 13. UV index 3 or moderate.
Tonight..Clear. Wind up to 15 km/h. Low minus 3. Wind chill minus 5
 overnight.
Saturday..Sunny. Wind up to 15 km/h. High 15. Wind chill minus 5 in
 the morning. UV index 3 or moderate.

End
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--- up 1 day, 20 hours, 32 minutes
 * Origin: Northern Realms (618:400/23)