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Current conditions
Cornwall skaters at the Optimist Park Skatepark
Shadow

forecast

detailed forecast

Extented weather forecast for Cornwall Ontario and the Seaway
Issued by Environment Canada at 1530 ET Sun Sep 20 2026
Tonight: Partly cloudy. 30 percent chance of showers this evening. Wind north 20 km/h becoming light after midnight. Low plus 4 with risk of frost.
Monday: A mix of sun and cloud. High 16. Uv index 6 or high.
Monday Night: Partly cloudy. Becoming clear after midnight. Low plus 5.
Tuesday: Sunny. High 17.
Tuesday Night: Clear. Low plus 5.
Wednesday: Sunny. High 19.
Wednesday Night: Clear. Low plus 5.
Thursday: Sunny. High 20.
Thursday Night: Clear. Low 6.
Friday: A mix of sun and cloud. High 19.
Friday Night: Cloudy periods. Low 8.
Saturday: A mix of sun and cloud. High 21.

regional radar

Cornwall
🌧 Rain Snow 🧊 Ice 🌨 Mix

news headlines

Kerry-Lynne Findlay resigns as leader of the B.C. Conservative party

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'Agent Layla': Sex assault victim turned secret agent brings her abuser to justice

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Long-standing Winnipeg hotel reconnects with 'piece of history' after nearly 120 years

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sports headlines

Marlen Reusser wins women's elite individual time trial title at road cycling world championships

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Canadian men's volleyball team falls to Cuba in Olympic qualifier final

Canada's men's volleyball team fell 3-1 to Cuba in the final of continental qualifications for the 2028 Los Angeles Olympics . . . more

Auger-Aliassime leads Canada past France 3-1 to move on to Davis Cup Final 8

Canada has officially punched its ticket to the Davis Cup Final 8 this November, and Felix Auger-Aliassime had a lot . . . more

Canada edged by U.S. in gold-medal game at women's wheelchair basketball worlds in Ottawa

The Canadian women's wheelchair basketball team fell just short of its first world title since 2014 with a 77-76 loss . . . more

Top cyclists from around globe descend on Montreal for road racing world championships

For eight days, beginning Sept. 20 through the 27th, the city’s historic cobblestone streets in the old port and the . . . more

this day in history

On September 20th

explore the seaway city

Explore the Seaway City

discover the counties of sdg

Discover the Counties of SDG

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