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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 251500
Extended forecasts from Sunday night 26 May to Friday 31 May for
Southern Ontario and the National Capital Region issued by
Environment Canada at 11:00 a.m. EDT Saturday 25 May 2024.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Sunday night..Cloudy with 60 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 17.
Wednesday night..Clear. Low 7.
Thursday..Sunny. High 21.
Thursday night..Clear. Low 8.
Friday..Sunny. High 24.
Normals for the period..Low 11. High 21.

Windsor - Essex - Chatham-Kent.
Sunday night..Cloudy with 60 percent chance of showers. Low 17.
Monday..Cloudy with 60 percent chance of showers. High 24.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. Windy. High 22.
Tuesday night..Cloudy with 40 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 19.
Wednesday night..Clear. Low 9.
Thursday..Sunny. High 23.
Thursday night..Clear. Low 10.
Friday..Sunny. High 28.
Normals for the period..Low 11. High 23.

Sarnia - Lambton.
Sunday night..Cloudy with 60 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 40 percent chance of showers. Low 11.
Wednesday..A mix of sun and cloud with 30 percent chance of showers.
 High 14.
Wednesday night..Clear. Low 8.
Thursday..Sunny. High 19.
Thursday night..Clear. Low 11.
Friday..Sunny. High 24.
Normals for the period..Low 10. High 22.

Elgin.
Sunday night..Cloudy with 60 percent chance of showers. Low 17.
Monday..Cloudy with 60 percent chance of showers. High 22.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. Windy. High 19.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low 8.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 9.
Friday..Sunny. High 25.
Normals for the period..Low 11. High 21.

London - Middlesex.
Sunday night..Cloudy with 60 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 22.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. Windy. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 10.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Clear. Low 7.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 8.
Friday..Sunny. High 25.
Normals for the period..Low 10. High 21.

Simcoe - Delhi - Norfolk.
Sunday night..Cloudy with 60 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 22.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. Windy. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Cloudy periods. Low 7.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 8.
Friday..Sunny. High 24.
Normals for the period..Low 9. High 22.

Dunnville - Caledonia - Haldimand.
Sunday night..Cloudy with 60 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Cloudy periods. Low 8.
Thursday..Sunny. High 19.
Thursday night..Clear. Low 9.
Friday..Sunny. High 23.
Normals for the period..Low 10. High 21.

Oxford - Brant.
Sunday night..Cloudy with 60 percent chance of showers. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 10.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Cloudy periods. Low 7.
Thursday..Sunny. High 19.
Thursday night..Clear. Low 8.
Friday..Sunny. High 23.
Normals for the period..Low 10. High 22.

Niagara.
Sunday night..Cloudy with 60 percent chance of showers. Low 17.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. Windy. High 17.
Tuesday night..Cloudy. Low 12.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Clear. Low 10.
Thursday..Sunny. High 18.
Thursday night..Clear. Low 11.
Friday..Sunny. High 21.
Normals for the period..Low 11. High 21.

City of Hamilton.
Sunday night..Cloudy with 60 percent chance of showers. Low 15.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low 9.
Thursday..Sunny. High 19.
Thursday night..Clear. Low 10.
Friday..Sunny. High 22.
Normals for the period..Low 10. High 21.

Halton - Peel.
Sunday night..Cloudy with 60 percent chance of showers. Low 15.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 9.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low 6.
Thursday..Sunny. High 21.
Thursday night..Clear. Low 7.
Friday..Sunny. High 24.
Normals for the period..Low 9. High 21.

York - Durham.
Sunday night..Cloudy with 60 percent chance of showers. Low 15.
Monday..Cloudy with 60 percent chance of showers. High 19.
Monday night..Cloudy with 40 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 17.
Tuesday night..Cloudy with 30 percent chance of showers. Low 10.
Wednesday..Cloudy with 30 percent chance of showers. High 17.
Wednesday night..Clear. Low 7.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 7.
Friday..Sunny. High 22.
Normals for the period..Low 9. High 21.

Huron - Perth.
Sunday night..Cloudy with 60 percent chance of showers. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 21.
Monday night..Cloudy with 40 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. Windy. High 16.
Tuesday night..Cloudy with 30 percent chance of showers. Low 10.
Wednesday..Cloudy with 30 percent chance of showers. High 14.
Wednesday night..Clear. Low 6.
Thursday..Sunny. High 19.
Thursday night..Clear. Low 8.
Friday..Sunny. High 24.
Normals for the period..Low 9. High 21.

Waterloo - Wellington.
Sunday night..Cloudy with 60 percent chance of showers. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 40 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 17.
Tuesday night..Cloudy with 30 percent chance of showers. Low 10.
Wednesday..Cloudy with 30 percent chance of showers. High 14.
Wednesday night..Cloudy periods. Low 7.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 8.
Friday..Sunny. High 24.
Normals for the period..Low 9. High 21.

Dufferin - Innisfil.
Sunday night..Cloudy with 60 percent chance of showers. Low 13.
Monday..Cloudy with 60 percent chance of showers. High 19.
Monday night..Cloudy with 40 percent chance of showers. Low 12.
Tuesday..Cloudy with 40 percent chance of showers. High 16.
Tuesday night..Cloudy with 30 percent chance of showers. Low 9.
Wednesday..Cloudy with 30 percent chance of showers. High 14.
Wednesday night..Clear. Low plus 5.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 6.
Friday..Sunny. High 23.
Normals for the period..Low 8. High 21.

Grey - Bruce.
Sunday night..Cloudy with 60 percent chance of showers. Low 17.
Monday..Cloudy with 60 percent chance of showers. High 18.
Monday night..Cloudy with 60 percent chance of showers. Low 12.
Tuesday..Cloudy with 40 percent chance of showers. High 14.
Tuesday night..Cloudy with 30 percent chance of showers. Low 8.
Wednesday..Cloudy with 30 percent chance of showers. High 13.
Wednesday night..Clear. Low plus 5.
Thursday..Sunny. High 19.
Thursday night..Clear. Low 7.
Friday..Sunny. High 23.
Normals for the period..Low 8. High 19.

Barrie - Orillia - Midland.
Sunday night..Cloudy with 60 percent chance of showers. Low 15.
Monday..Cloudy with 60 percent chance of showers. High 19.
Monday night..Cloudy with 60 percent chance of showers. Low 12.
Tuesday..Cloudy with 40 percent chance of showers. High 15.
Tuesday night..Cloudy with 30 percent chance of showers. Low 9.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Clear. Low plus 4.
Thursday..Sunny. High 21.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 23.
Normals for the period..Low 8. High 21.

Belleville - Quinte - Northumberland.
Sunday night..Cloudy with 30 percent chance of showers. Low 17.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. High 17.
Tuesday night..Cloudy with 30 percent chance of showers. Low 12.
Wednesday..Cloudy with 30 percent chance of showers. High 15.
Wednesday night..Cloudy periods. Low 8.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 7.
Friday..Sunny. High 23.
Normals for the period..Low 9. High 21.

Kingston - Prince Edward.
Sunday night..Cloudy with 30 percent chance of showers. Low 17.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clearing. Low 8.
Thursday..Sunny. High 20.
Thursday night..Clear. Low 7.
Friday..Sunny. High 23.
Normals for the period..Low 9. High 21.

Peterborough - Kawartha Lakes.
Sunday night..Cloudy with 30 percent chance of showers. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 17.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low 6.
Thursday..Sunny. High 22.
Thursday night..Clear. Low plus 4.
Friday..Sunny. High 24.
Normals for the period..Low 8. High 21.

Stirling - Tweed - South Frontenac.
Sunday night..Cloudy with 30 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clearing. Low 7.
Thursday..Sunny. High 21.
Thursday night..Clear. Low 6.
Friday..Sunny. High 24.
Normals for the period..Low 9. High 21.

Bancroft - Bon Echo Park.
Sunday night..Cloudy periods with 30 percent chance of showers.
 Low 12.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 17.
Wednesday night..Cloudy periods. Low plus 5.
Thursday..Sunny. High 22.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 25.
Normals for the period..Low 8. High 22.

Brockville - Leeds and Grenville.
Sunday night..Increasing cloudiness. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. High 20.
Tuesday night..Cloudy with 40 percent chance of showers. Low 12.
Wednesday..Cloudy with 40 percent chance of showers. High 16.
Wednesday night..Cloudy. Low 8.
Thursday..A mix of sun and cloud. High 20.
Thursday night..Cloudy periods. Low 8.
Friday..A mix of sun and cloud. High 23.
Normals for the period..Low 10. High 21.

City of Ottawa.
Sunday night..Increasing cloudiness. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 20.
Tuesday night..Cloudy with 40 percent chance of showers. Low 12.
Wednesday..Cloudy with 40 percent chance of showers. High 16.
Wednesday night..Cloudy periods. Low 8.
Thursday..Sunny. High 21.
Thursday night..Clear. Low 9.
Friday..A mix of sun and cloud. High 24.
Normals for the period..Low 10. High 22.

Gatineau.
Sunday night..Clear. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 20.
Tuesday night..Cloudy with 40 percent chance of showers. Low 12.
Wednesday..Cloudy with 40 percent chance of showers. High 16.
Wednesday night..Cloudy. Low 7.
Thursday..A mix of sun and cloud. High 21.
Thursday night..Clear. Low 8.
Friday..Sunny. High 24.
Normals for the period..Low 10. High 22.

Prescott and Russell.
Sunday night..Increasing cloudiness. Low 15.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. High 20.
Tuesday night..Cloudy with 40 percent chance of showers. Low 13.
Wednesday..Cloudy with 40 percent chance of showers. High 16.
Wednesday night..Cloudy. Low 8.
Thursday..A mix of sun and cloud. High 20.
Thursday night..Cloudy periods. Low 9.
Friday..A mix of sun and cloud. High 23.
Normals for the period..Low 10. High 22.

Cornwall - Morrisburg.
Sunday night..Increasing cloudiness. Low 15.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 21.
Tuesday night..Cloudy with 40 percent chance of showers. Low 13.
Wednesday..Cloudy with 40 percent chance of showers. High 17.
Wednesday night..Cloudy. Low 8.
Thursday..A mix of sun and cloud. High 20.
Thursday night..Clear. Low 8.
Friday..A mix of sun and cloud. High 23.
Normals for the period..Low 10. High 22.

Smiths Falls - Lanark - Sharbot Lake.
Sunday night..Cloudy. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. High 19.
Tuesday night..Cloudy with 40 percent chance of showers. Low 12.
Wednesday..Cloudy with 40 percent chance of showers. High 16.
Wednesday night..Cloudy periods. Low 7.
Thursday..Sunny. High 21.
Thursday night..Clear. Low 7.
Friday..Sunny. High 24.
Normals for the period..Low 10. High 21.

Parry Sound - Muskoka.
Sunday night..Cloudy with 30 percent chance of showers. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 19.
Monday night..Cloudy with 60 percent chance of showers. Low 11.
Tuesday..Cloudy with 60 percent chance of showers. High 14.
Tuesday night..Cloudy with 30 percent chance of showers. Low 8.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low plus 4.
Thursday..Sunny. High 21.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 24.
Normals for the period..Low 7. High 21.

Haliburton.
Sunday night..Cloudy with 30 percent chance of showers. Low 13.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 13.
Tuesday..Cloudy with 40 percent chance of showers. High 16.
Tuesday night..Cloudy with 30 percent chance of showers. Low 10.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low plus 5.
Thursday..Sunny. High 22.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 25.
Normals for the period..Low 7. High 21.

Renfrew - Pembroke - Barry's Bay.
Sunday night..Cloudy. Low 14.
Monday..Cloudy with 60 percent chance of showers. High 20.
Monday night..Cloudy with 60 percent chance of showers. Low 14.
Tuesday..Cloudy with 60 percent chance of showers. High 18.
Tuesday night..Cloudy with 30 percent chance of showers. Low 11.
Wednesday..Cloudy with 30 percent chance of showers. High 17.
Wednesday night..Clear. Low plus 4.
Thursday..Sunny. High 23.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 25.
Normals for the period..Low 7. High 22.

Algonquin.
Sunday night..Cloudy. Low 13.
Monday..Cloudy with 60 percent chance of showers. High 19.
Monday night..Cloudy with 60 percent chance of showers. Low 13.
Tuesday..Cloudy with 60 percent chance of showers. High 16.
Tuesday night..Cloudy with 30 percent chance of showers. Low 9.
Wednesday..Cloudy with 30 percent chance of showers. High 16.
Wednesday night..Clear. Low plus 4.
Thursday..Sunny. High 22.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 25.
Normals for the period..Low 7. High 21.

Burk's Falls - Bayfield Inlet.
Sunday night..Cloudy with 30 percent chance of showers. Low 16.
Monday..Cloudy with 60 percent chance of showers. High 19.
Monday night..Cloudy with 60 percent chance of showers. Low 11.
Tuesday..Cloudy with 60 percent chance of showers. High 15.
Tuesday night..Cloudy with 30 percent chance of showers. Low 8.
Wednesday..Cloudy with 30 percent chance of showers. High 17.
Wednesday night..Clear. Low plus 4.
Thursday..Sunny. High 22.
Thursday night..Clear. Low plus 5.
Friday..Sunny. High 24.
Normals for the period..Low 8. High 20.

End
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