forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 1530 ET Tue Nov 10 2026 |
| Tonight: Cloudy with 40 percent chance of showers. Wind west 30 km/h gusting to 50 becoming light late this evening. Low plus 1. Wednesday: Cloudy. High 7. Uv index 1 or low. Wednesday Night: Mainly cloudy. Low plus 2. Thursday: Cloudy with 40 percent chance of rain showers or flurries. High plus 2. Thursday Night: Cloudy with 30 percent chance of rain showers or flurries. Low plus 1. Friday: Cloudy. High plus 2. Friday Night: Cloudy. Low zero. Saturday: Cloudy. High plus 3. Saturday Night: Cloudy periods. Low minus 1. Sunday: A mix of sun and cloud. High plus 4. Sunday Night: Cloudy periods. Low minus 3. Monday: A mix of sun and cloud. High plus 3. |
regional radar

■ Cornwall
Rain Snow Ice Mix














