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Government of Canada / Gouvernement du Canada

Extended Forecasts for Southern Ontario and the National Capital Region


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

 
FPCN51 CWTO 280900
Extended forecasts from Wednesday night 29 April to Monday 4 May for
Southern Ontario and the National Capital Region issued by
Environment Canada at 5:00 a.m. EDT Tuesday 28 April 2026.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 4.
Thursday..Sunny. High 11.
Thursday night..Clear. Low zero.
Friday..Sunny. High 9.
Friday night..Clear. Low minus 1.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 7.
Saturday night..Cloudy periods. Low plus 1.
Sunday..A mix of sun and cloud with 30 percent chance of showers.
 High 11.
Sunday night..Cloudy periods. Low plus 4.
Monday..A mix of sun and cloud with 30 percent chance of showers.
 High 12.
Normals for the period..Low 6. High 15.

Windsor - Essex - Chatham-Kent.
Wednesday night..Clear. Low plus 1.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 11.
Thursday night..Clearing. Low plus 2.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 10.
Friday night..Clear. Low zero.
Saturday..A mix of sun and cloud. High 9.
Saturday night..Cloudy periods. Low plus 3.
Sunday..A mix of sun and cloud. High 13.
Sunday night..Cloudy periods. Low plus 5.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 16.
Normals for the period..Low 6. High 17.

Sarnia - Lambton.
Wednesday night..Clear. Low plus 1.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 10.
Thursday night..Clear. Low zero.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Friday night..Clear. Low zero.
Saturday..A mix of sun and cloud. High 8.
Saturday night..Cloudy periods. Low plus 2.
Sunday..A mix of sun and cloud. High 12.
Sunday night..Cloudy periods. Low plus 5.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 15.
Normals for the period..Low plus 5. High 17.

Elgin.
Wednesday night..Clear. Low plus 1.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 12.
Thursday night..Clear. Low zero.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Friday night..Clear. Low minus 1.
Saturday..A mix of sun and cloud. High 8.
Saturday night..Cloudy periods. Low plus 2.
Sunday..A mix of sun and cloud. High 12.
Sunday night..Cloudy. Low plus 4.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 15.
Normals for the period..Low plus 5. High 16.

London - Middlesex.
Wednesday night..Clear. Low plus 2.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 10.
Thursday night..Clear. Low zero.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Friday night..Clear. Low minus 1.
Saturday..A mix of sun and cloud. High 8.
Saturday night..Cloudy periods. Low plus 1.
Sunday..A mix of sun and cloud. High 11.
Sunday night..Cloudy periods. Low plus 4.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 13.
Normals for the period..Low plus 5. High 16.

Simcoe - Delhi - Norfolk.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 1.
Thursday..Sunny. High 12.
Thursday night..Clear. Low zero.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Friday night..Clear. Low minus 1.
Saturday..Cloudy. High 8.
Saturday night..Cloudy. Low plus 1.
Sunday..Cloudy. High 10.
Sunday night..Cloudy. Low plus 4.
Monday..Cloudy with 40 percent chance of showers. High 13.
Normals for the period..Low plus 4. High 16.

Dunnville - Caledonia - Haldimand.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 1.
Thursday..Sunny. High 13.
Thursday night..Clear. Low zero.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Friday night..Cloudy periods. Low zero.
Saturday..A mix of sun and cloud. High 7.
Saturday night..Cloudy periods. Low plus 2.
Sunday..A mix of sun and cloud. High 10.
Sunday night..Cloudy periods. Low plus 4.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 12.
Normals for the period..Low plus 4. High 15.

Oxford - Brant.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low zero.
Thursday..Sunny. High 13.
Thursday night..Clear. Low zero.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 10.
Friday night..Cloudy periods. Low minus 1.
Saturday..Cloudy. High 8.
Saturday night..Cloudy. Low plus 1.
Sunday..Cloudy. High 12.
Sunday night..Cloudy. Low plus 4.
Monday..Cloudy with 40 percent chance of showers. High 12.
Normals for the period..Low plus 5. High 16.

Niagara.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 3.
Thursday..Sunny. High 11.
Thursday night..Clear. Low plus 2.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Friday night..Cloudy periods. Low plus 1.
Saturday..A mix of sun and cloud. High 7.
Saturday night..Cloudy periods. Low plus 3.
Sunday..A mix of sun and cloud. High 10.
Sunday night..Cloudy periods. Low plus 5.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 12.
Normals for the period..Low 6. High 15.

City of Hamilton.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 2.
Thursday..Sunny. High 12.
Thursday night..Clear. Low plus 1.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 11.
Friday night..Cloudy periods. Low zero.
Saturday..A mix of sun and cloud. High 8.
Saturday night..Cloudy periods. Low plus 2.
Sunday..A mix of sun and cloud. High 10.
Sunday night..Cloudy periods. Low plus 4.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 12.
Normals for the period..Low plus 4. High 15.

Halton - Peel.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 3.
Thursday..Sunny. High 10.
Thursday night..Clear. Low zero.
Friday..Sunny. High 9.
Friday night..Cloudy periods. Low minus 1.
Saturday..Cloudy with 30 percent chance of showers. High 8.
Saturday night..Cloudy. Low zero.
Sunday..Cloudy with 30 percent chance of showers. High 10.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 4. High 15.

York - Durham.
Wednesday night..Cloudy with 60 percent chance of showers. Low
 plus 3.
Thursday..Sunny. High 10.
Thursday night..Clear. Low zero.
Friday..Sunny. High 8.
Friday night..Cloudy periods. Low minus 1.
Saturday..Cloudy with 30 percent chance of showers. High 7.
Saturday night..Cloudy. Low plus 1.
Sunday..Cloudy with 30 percent chance of showers. High 10.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 11.
Normals for the period..Low plus 4. High 15.

Huron - Perth.
Wednesday night..Clear. Low zero.
Thursday..Sunny. High 10.
Thursday night..Clear. Low minus 1.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Friday night..Cloudy periods. Low minus 1.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High plus 5.
Saturday night..Cloudy. Low zero.
Sunday..Cloudy. High 10.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 4. High 15.

Waterloo - Wellington.
Wednesday night..Clearing. Low zero.
Thursday..Sunny. High 9.
Thursday night..Clear. Low minus 1.
Friday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Friday night..Cloudy periods. Low minus 2.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High plus 5.
Saturday night..Cloudy. Low minus 1.
Sunday..Cloudy. High 10.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 4. High 15.

Dufferin - Innisfil.
Wednesday night..Cloudy periods with 60 percent chance of showers.
 Low plus 2.
Thursday..Sunny. High 8.
Thursday night..Clear. Low minus 1.
Friday..Sunny. High 8.
Friday night..Cloudy. Low minus 2.
Saturday..Cloudy with 30 percent chance of showers. High 6.
Saturday night..Cloudy. Low zero.
Sunday..Cloudy with 30 percent chance of showers. High 9.
Sunday night..Cloudy. Low plus 2.
Monday..Cloudy with 30 percent chance of showers. High 10.
Normals for the period..Low plus 3. High 15.

Grey - Bruce.
Wednesday night..Cloudy periods with 30 percent chance of showers.
 Low plus 1.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 7.
Thursday night..Clear. Low minus 2.
Friday..Sunny. High 6.
Friday night..Cloudy. Low minus 2.
Saturday..Cloudy with 30 percent chance of showers. High plus 4.
Saturday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low minus 1.
Sunday..Cloudy. High 8.
Sunday night..Cloudy. Low plus 2.
Monday..Cloudy with 30 percent chance of showers. High 10.
Normals for the period..Low plus 4. High 14.

Barrie - Orillia - Midland.
Wednesday night..Cloudy with 60 percent chance of showers. Low
 plus 2.
Thursday..A mix of sun and cloud. High 6.
Thursday night..Clear. Low minus 2.
Friday..Sunny. High 6.
Friday night..Cloudy periods. Low minus 3.
Saturday..Cloudy with 30 percent chance of showers. High plus 5.
Saturday night..Cloudy. Low minus 1.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy. Low plus 1.
Monday..Cloudy with 30 percent chance of showers. High 10.
Normals for the period..Low plus 3. High 15.

Belleville - Quinte - Northumberland.
Wednesday night..Showers. Low plus 4.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 10.
Thursday night..Clear. Low plus 1.
Friday..Sunny. High 10.
Friday night..Clear. Low minus 1.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 7.
Saturday night..Cloudy periods. Low plus 1.
Sunday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Sunday night..Cloudy periods. Low plus 3.
Monday..A mix of sun and cloud with 30 percent chance of showers.
 High 12.
Normals for the period..Low plus 4. High 15.

Kingston - Prince Edward.
Wednesday night..Showers. Low plus 5.
Thursday..A mix of sun and cloud with 40 percent chance of showers.
 High 10.
Thursday night..Clear. Low plus 1.
Friday..Sunny. High 10.
Friday night..Clear. Low minus 1.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 7.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low plus 1.
Sunday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Sunday night..Cloudy periods. Low plus 3.
Monday..A mix of sun and cloud with 30 percent chance of showers.
 High 12.
Normals for the period..Low plus 4. High 15.

Peterborough - Kawartha Lakes.
Wednesday night..Showers. Low plus 2.
Thursday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Thursday night..Clear. Low minus 2.
Friday..Sunny. High 8.
Friday night..Cloudy periods. Low minus 3.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 6.
Saturday night..Cloudy. Low zero.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy. Low plus 2.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 3. High 16.

Stirling - Tweed - South Frontenac.
Wednesday night..Showers. Low plus 3.
Thursday..Cloudy with 40 percent chance of showers. High 9.
Thursday night..Clear. Low minus 1.
Friday..Sunny. High 10.
Friday night..Cloudy periods. Low minus 2.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Saturday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low plus 1.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy. Low plus 2.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 4. High 16.

Bancroft - Bon Echo Park.
Wednesday night..Showers. Low plus 1.
Thursday..Cloudy with 40 percent chance of showers. High 6.
Thursday night..Cloudy periods. Low minus 3.
Friday..A mix of sun and cloud. High 7.
Friday night..Cloudy periods. Low minus 3.
Saturday..Cloudy with 30 percent chance of showers. High plus 5.
Saturday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low minus 2.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy. Low zero.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 2. High 16.

Brockville - Leeds and Grenville.
Wednesday night..Showers. Low 6.
Thursday..Cloudy with 40 percent chance of showers. High 8.
Thursday night..Cloudy. Low plus 1.
Friday..Cloudy. High 9.
Friday night..Cloudy periods. Low zero.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Saturday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low plus 1.
Sunday..A mix of sun and cloud with 30 percent chance of showers.
 High 8.
Sunday night..Cloudy periods. Low plus 3.
Monday..A mix of sun and cloud with 30 percent chance of showers.
 High 12.
Normals for the period..Low plus 5. High 15.

City of Ottawa.
Wednesday night..Showers. Low plus 5.
Thursday..Cloudy with 30 percent chance of showers. High 7.
Thursday night..Cloudy with 30 percent chance of showers. Low plus 1.
Friday..Cloudy. High 8.
Friday night..Cloudy. Low zero.
Saturday..Cloudy with 30 percent chance of showers. High 8.
Saturday night..Cloudy. Low plus 1.
Sunday..Cloudy with 30 percent chance of showers. High 9.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 13.
Normals for the period..Low plus 5. High 16.

Gatineau.
Wednesday night..Showers. Low plus 5.
Thursday..Cloudy with 30 percent chance of showers. High 8.
Thursday night..Cloudy with 30 percent chance of showers. Low plus 1.
Friday..Cloudy. High 9.
Friday night..Cloudy. Low zero.
Saturday..Cloudy with 30 percent chance of showers. High 8.
Saturday night..Cloudy. Low plus 1.
Sunday..Cloudy with 30 percent chance of showers. High 9.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 4. High 16.

Prescott and Russell.
Wednesday night..Showers. Low 6.
Thursday..Showers. High 7.
Thursday night..Cloudy with 30 percent chance of showers. Low plus 1.
Friday..Cloudy. High 7.
Friday night..Cloudy. Low zero.
Saturday..Cloudy with 30 percent chance of showers. High 9.
Saturday night..Cloudy. Low plus 1.
Sunday..Cloudy with 30 percent chance of showers. High 9.
Sunday night..Cloudy. Low plus 3.
Monday..Cloudy with 30 percent chance of showers. High 13.
Normals for the period..Low plus 5. High 16.

Cornwall - Morrisburg.
Wednesday night..Showers. Low 6.
Thursday..Showers. High 7.
Thursday night..Cloudy with 30 percent chance of showers. Low plus 1.
Friday..Cloudy. High 7.
Friday night..Cloudy. Low zero.
Saturday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Saturday night..Cloudy periods. Low plus 1.
Sunday..A mix of sun and cloud with 30 percent chance of showers.
 High 9.
Sunday night..Cloudy periods. Low plus 4.
Monday..A mix of sun and cloud with 30 percent chance of showers.
 High 13.
Normals for the period..Low plus 4. High 16.

Smiths Falls - Lanark - Sharbot Lake.
Wednesday night..Showers. Low plus 3.
Thursday..Cloudy with 40 percent chance of showers. High 7.
Thursday night..Cloudy. Low plus 2.
Friday..Cloudy. High 9.
Friday night..Cloudy periods. Low zero.
Saturday..Cloudy with 30 percent chance of showers. High 7.
Saturday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low plus 1.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy. Low plus 1.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 5. High 15.

Parry Sound - Muskoka.
Wednesday night..Cloudy. Low plus 2.
Thursday..A mix of sun and cloud. High 8.
Thursday night..Clear. Low minus 2.
Friday..Sunny. High 7.
Friday night..Cloudy periods. Low minus 3.
Saturday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 4.
Saturday night..Cloudy with 30 percent chance of showers. Low
 minus 2.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low plus 1.
Monday..Cloudy with 40 percent chance of showers. High 10.
Normals for the period..Low plus 3. High 15.

Haliburton.
Wednesday night..Cloudy with 60 percent chance of showers. Low
 plus 1.
Thursday..Cloudy with 30 percent chance of showers. High 6.
Thursday night..Clear. Low minus 4.
Friday..Sunny. High 7.
Friday night..Cloudy periods. Low minus 4.
Saturday..Cloudy with 30 percent chance of showers. High plus 5.
Saturday night..Cloudy. Low minus 1.
Sunday..Cloudy with 30 percent chance of showers. High 7.
Sunday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low zero.
Monday..Cloudy with 30 percent chance of showers. High 12.
Normals for the period..Low plus 2. High 16.

Renfrew - Pembroke - Barry's Bay.
Wednesday night..Showers. Low plus 2.
Thursday..Cloudy with 40 percent chance of showers. High 6.
Thursday night..Cloudy. Low minus 1.
Friday..A mix of sun and cloud. High 9.
Friday night..Cloudy periods. Low minus 2.
Saturday..Cloudy with 30 percent chance of showers. High 6.
Saturday night..Cloudy with 30 percent chance of rain showers or
 flurries. Low minus 1.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy. Low plus 1.
Monday..Cloudy with 30 percent chance of showers. High 11.
Normals for the period..Low plus 2. High 16.

Algonquin.
Wednesday night..Cloudy with 60 percent chance of showers. Low
 plus 1.
Thursday..Cloudy with 30 percent chance of showers. High 6.
Thursday night..Cloudy periods. Low minus 4.
Friday..Sunny. High 8.
Friday night..Cloudy periods. Low minus 3.
Saturday..Cloudy with 30 percent chance of showers. High plus 4.
Saturday night..Cloudy. Low minus 1.
Sunday..Cloudy with 30 percent chance of showers. High 7.
Sunday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low plus 1.
Monday..A mix of sun and cloud with 30 percent chance of showers.
 High 11.
Normals for the period..Low plus 1. High 16.

Burk's Falls - Bayfield Inlet.
Wednesday night..Cloudy. Low plus 1.
Thursday..A mix of sun and cloud. High 7.
Thursday night..Clear. Low minus 4.
Friday..Sunny. High 6.
Friday night..Cloudy periods. Low minus 3.
Saturday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 5.
Saturday night..Cloudy with 30 percent chance of showers. Low
 minus 1.
Sunday..Cloudy with 30 percent chance of showers. High 8.
Sunday night..Cloudy periods with 30 percent chance of rain showers
 or flurries. Low plus 1.
Monday..A mix of sun and cloud with 40 percent chance of showers.
 High 10.
Normals for the period..Low plus 3. High 14.

End
$$$$^^

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