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Extended Forecasts for Southern Ontario and the National Capital Region


* NOTE: Corrected and/or amended bulletins are listed first *

 
FPCN51 CWTO 141930
Extended forecasts from Friday 16 October to Tuesday 20 October for
Southern Ontario and the National Capital Region issued by
Environment Canada at 3:30 p.m. EDT Wednesday 14 October 2026.
The next scheduled forecast will be issued at 5:00 a.m. EDT Thursday.

City of Toronto.
Friday..Showers. High 14.
Friday night..Cloudy with 30 percent chance of showers. Windy. Low
 plus 1.
Saturday..Sunny. High 11.
Saturday night..Clear. Low plus 2.
Sunday..Sunny. High 15.
Sunday night..Clear. Low 6.
Monday..Sunny. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low 6. High 14.

Windsor - Essex - Chatham-Kent.
Friday..Showers. Windy. High 15.
Friday night..Cloudy with 40 percent chance of showers. Windy. Low
 plus 2.
Saturday..Sunny. High 12.
Saturday night..Clear. Low plus 4.
Sunday..Sunny. High 16.
Sunday night..Clear. Low 7.
Monday..A mix of sun and cloud. High 17.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 18.
Normals for the period..Low 6. High 15.

Sarnia - Lambton.
Friday..Showers. Windy. High 14.
Friday night..Cloudy with 60 percent chance of showers. Windy. Low
 plus 2.
Saturday..Sunny. High 11.
Saturday night..Clear. Low plus 4.
Sunday..Sunny. High 15.
Sunday night..Clear. Low 6.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 18.
Normals for the period..Low plus 5. High 15.

Elgin.
Friday..Showers. Windy. High 15.
Friday night..Cloudy periods with 40 percent chance of showers.
 Windy. Low plus 1.
Saturday..Sunny. High 11.
Saturday night..Clear. Low plus 4.
Sunday..Sunny. High 15.
Sunday night..Clear. Low 6.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 17.
Normals for the period..Low 6. High 15.

London - Middlesex.
Friday..Showers. Windy. High 14.
Friday night..Cloudy with 60 percent chance of showers. Windy. Low
 plus 1.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 2.
Sunday..Sunny. High 15.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 6.
Tuesday..A mix of sun and cloud. High 18.
Normals for the period..Low plus 5. High 14.

Simcoe - Delhi - Norfolk.
Friday..Showers. Windy. High 14.
Friday night..Cloudy periods with 30 percent chance of showers.
 Windy. Low zero.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 3.
Sunday..Sunny. High 15.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 17.
Normals for the period..Low plus 4. High 14.

Dunnville - Caledonia - Haldimand.
Friday..Showers. Windy. High 15.
Friday night..Cloudy with 30 percent chance of showers. Windy. Low
 plus 1.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 3.
Sunday..Sunny. High 15.
Sunday night..Clear. Low 7.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 17.
Normals for the period..Low plus 5. High 14.

Oxford - Brant.
Friday..Showers. High 14.
Friday night..Cloudy periods with 30 percent chance of showers. Low
 plus 1.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 2.
Sunday..Sunny. High 15.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 6.
Tuesday..A mix of sun and cloud. High 17.
Normals for the period..Low plus 4. High 14.

Niagara.
Friday..Showers. Windy. High 15.
Friday night..Cloudy with 30 percent chance of showers. Windy. Low
 plus 2.
Saturday..Sunny. High 11.
Saturday night..Clear. Low plus 4.
Sunday..Sunny. High 15.
Sunday night..Clear. Low 9.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 17.
Normals for the period..Low 6. High 15.

City of Hamilton.
Friday..Showers. High 14.
Friday night..Cloudy with 30 percent chance of showers. Windy. Low
 plus 1.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 2.
Sunday..Sunny. High 15.
Sunday night..Clear. Low 6.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 7.
Tuesday..A mix of sun and cloud. High 17.
Normals for the period..Low plus 4. High 14.

Halton - Peel.
Friday..Showers. High 14.
Friday night..Cloudy with 30 percent chance of showers. Windy.
 Low zero.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 1.
Sunday..Sunny. High 15.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low plus 5.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low plus 4. High 13.

York - Durham.
Friday..Showers. High 13.
Friday night..Cloudy with 30 percent chance of showers. Windy.
 Low zero.
Saturday..Sunny. High 9.
Saturday night..Clear. Low zero.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 4.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low 6.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low plus 4. High 13.

Huron - Perth.
Friday..Showers. Windy. High 12.
Friday night..Cloudy with 30 percent chance of showers. Windy.
 Low zero.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 2.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low plus 4.
Tuesday..Sunny. High 16.
Normals for the period..Low plus 4. High 13.

Waterloo - Wellington.
Friday..Showers. High 12.
Friday night..Cloudy with 30 percent chance of rain showers or
 flurries. Windy. Low minus 1.
Saturday..Sunny. High 9.
Saturday night..Clear. Low plus 1.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 4.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low plus 5.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low plus 4. High 13.

Dufferin - Innisfil.
Friday..Showers. High 10.
Friday night..Cloudy with 60 percent chance of rain showers or
 flurries. Windy. Low minus 1.
Saturday..Sunny. High 9.
Saturday night..Clear. Low plus 1.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 4.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low plus 4.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low plus 3. High 13.

Grey - Bruce.
Friday..Showers. Windy. High 9.
Friday night..Cloudy with 60 percent chance of rain showers or
 flurries. Windy. Low minus 1.
Saturday..Sunny. High 10.
Saturday night..Clear. Low plus 2.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 15.
Monday night..Cloudy periods. Low plus 5.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 5. High 13.

Barrie - Orillia - Midland.
Friday..Showers. High 9.
Friday night..Cloudy with 60 percent chance of rain showers or
 flurries. Windy. Low minus 1.
Saturday..Sunny. High 8.
Saturday night..Cloudy periods with 30 percent chance of showers. Low
 plus 1.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 5.
Monday..Sunny. High 16.
Monday night..Cloudy periods. Low plus 5.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low plus 3. High 13.

Belleville - Quinte - Northumberland.
Friday..Periods of rain. High 12.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..Sunny. High 9.
Saturday night..Cloudy periods with 30 percent chance of showers. Low
 plus 1.
Sunday..Sunny. High 13.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 15.
Monday night..Cloudy periods. Low plus 5.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 3. High 13.

Kingston - Prince Edward.
Friday..Periods of rain. High 12.
Friday night..Cloudy with 40 percent chance of showers. Low plus 1.
Saturday..Sunny. High 8.
Saturday night..Cloudy periods with 30 percent chance of showers. Low
 plus 1.
Sunday..Sunny. High 13.
Sunday night..Clear. Low plus 5.
Monday..A mix of sun and cloud. High 15.
Monday night..Cloudy periods. Low plus 5.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 3. High 13.

Peterborough - Kawartha Lakes.
Friday..Periods of rain. High 10.
Friday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low minus 1.
Saturday..A mix of sun and cloud with 30 percent chance of rain
 showers or flurries. High 7.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 13.
Sunday night..Clear. Low plus 2.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low plus 4.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 2. High 13.

Stirling - Tweed - South Frontenac.
Friday..Periods of rain. High 10.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..Sunny. High 8.
Saturday night..Cloudy periods with 30 percent chance of showers.
 Low zero.
Sunday..Sunny. High 13.
Sunday night..Clear. Low plus 3.
Monday..A mix of sun and cloud. High 16.
Monday night..Cloudy periods. Low plus 4.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 3. High 13.

Bancroft - Bon Echo Park.
Friday..Periods of rain. High 9.
Friday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low minus 2.
Saturday..A mix of sun and cloud with 30 percent chance of rain
 showers or flurries. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 2.
Monday..Sunny. High 16.
Monday night..Cloudy periods. Low plus 2.
Tuesday..A mix of sun and cloud. High 15.
Normals for the period..Low plus 3. High 13.

Brockville - Leeds and Grenville.
Friday..Rain. High 10.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..Sunny. High 7.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 13.
Sunday night..Clear. Low plus 4.
Monday..Sunny. High 16.
Monday night..Cloudy periods. Low plus 5.
Tuesday..A mix of sun and cloud. High 15.
Normals for the period..Low plus 4. High 13.

City of Ottawa.
Friday..Rain. High 9.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..Sunny. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 4.
Monday..Sunny. High 15.
Monday night..Clear. Low plus 4.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 4. High 12.

Gatineau.
Friday..Rain. High 9.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..A mix of sun and cloud. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 3.
Monday..Sunny. High 15.
Monday night..Cloudy periods. Low plus 4.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 3. High 12.

Prescott and Russell.
Friday..Rain. High 9.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..Sunny. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 4.
Monday..Sunny. High 16.
Monday night..Clear. Low plus 4.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 4. High 12.

Cornwall - Morrisburg.
Friday..Rain. High 9.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..A mix of sun and cloud. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 4.
Monday..Sunny. High 16.
Monday night..Cloudy periods. Low plus 4.
Tuesday..A mix of sun and cloud. High 15.
Normals for the period..Low plus 3. High 13.

Smiths Falls - Lanark - Sharbot Lake.
Friday..Rain. High 10.
Friday night..Cloudy with 40 percent chance of showers. Low zero.
Saturday..Sunny. High 7.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 4.
Monday..Sunny. High 15.
Monday night..Clear. Low plus 4.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 4. High 13.

Parry Sound - Muskoka.
Friday..Showers. High 8.
Friday night..Cloudy with 40 percent chance of rain showers or
 flurries. Windy. Low minus 2.
Saturday..A mix of sun and cloud with 30 percent chance of rain
 showers or flurries. High 7.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low zero.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 3.
Monday..A mix of sun and cloud. High 15.
Monday night..Cloudy periods. Low plus 3.
Tuesday..A mix of sun and cloud. High 16.
Normals for the period..Low plus 2. High 12.

Haliburton.
Friday..Showers. High 7.
Friday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low minus 3.
Saturday..A mix of sun and cloud with 30 percent chance of rain
 showers or flurries. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 2.
Sunday..Sunny. High 12.
Sunday night..Clear. Low plus 2.
Monday..A mix of sun and cloud. High 14.
Monday night..Cloudy periods. Low plus 2.
Tuesday..Sunny. High 14.
Normals for the period..Low plus 1. High 12.

Renfrew - Pembroke - Barry's Bay.
Friday..Rain. High 7.
Friday night..Cloudy with 60 percent chance of rain showers or
 flurries. Low minus 2.
Saturday..A mix of sun and cloud with 40 percent chance of rain
 showers or flurries. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 2.
Sunday..A mix of sun and cloud. High 12.
Sunday night..Cloudy periods. Low plus 2.
Monday..A mix of sun and cloud. High 14.
Monday night..Clear. Low plus 3.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 1. High 12.

Algonquin.
Friday..Rain. High 6.
Friday night..Cloudy with 60 percent chance of rain showers or
 flurries. Low minus 3.
Saturday..A mix of sun and cloud with 40 percent chance of rain
 showers or flurries. High plus 5.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 2.
Sunday..Sunny. High 11.
Sunday night..Clear. Low plus 2.
Monday..A mix of sun and cloud. High 13.
Monday night..Cloudy periods. Low plus 2.
Tuesday..Sunny. High 13.
Normals for the period..Low plus 1. High 12.

Burk's Falls - Bayfield Inlet.
Friday..Showers. High 6.
Friday night..Cloudy with 40 percent chance of rain showers or
 flurries. Windy. Low minus 2.
Saturday..A mix of sun and cloud with 30 percent chance of rain
 showers or flurries. High 6.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low minus 1.
Sunday..Sunny. High 14.
Sunday night..Clear. Low plus 4.
Monday..A mix of sun and cloud. High 15.
Monday night..Cloudy periods. Low plus 2.
Tuesday..Sunny. High 15.
Normals for the period..Low plus 3. High 11.

End
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