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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 1100 ET Tue Nov 3 2026
Today: Showers. High 16. Uv index 1 or low.
Tonight: Mainly cloudy. 40 percent chance of showers this evening. Low 10.
Wednesday: Sunny. High 21. Uv index 3 or moderate.
Wednesday Night: Cloudy periods with 30 percent chance of showers. Low 14.
Thursday: Showers. High 19.
Thursday Night: Cloudy periods with 40 percent chance of showers. Low 11.
Friday: Cloudy. High 16.
Friday Night: Cloudy with 60 percent chance of showers. Low 8.
Saturday: Cloudy with 40 percent chance of showers. High 10.
Saturday Night: Cloudy with 30 percent chance of showers. Low plus 2.
Sunday: Cloudy. High 8.
Sunday Night: Cloudy with 30 percent chance of showers. Low plus 2.
Monday: Cloudy with 30 percent chance of showers. High 8.

regional radar

■ Cornwall
🌧 Rain ❄ Snow 🧊 Ice 🌨 Mix

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On November 3rd

explore the seaway city

Explore the Seaway City

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Discover the Counties of SDG

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