forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 1530 ET Mon Nov 2 2026 |
| Tonight: Becoming cloudy this evening. 30 percent chance of showers overnight. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 9. Tuesday: Cloudy with 60 percent chance of showers. High 16. Uv index 2 or low. Tuesday Night: Cloudy. 60 percent chance of showers in the evening. Low 10. Wednesday: Sunny. High 21. Wednesday Night: Cloudy with 30 percent chance of showers. Low 12. Thursday: Cloudy with 60 percent chance of showers. High 18. Thursday Night: Cloudy periods with 40 percent chance of showers. Low 9. Friday: Cloudy. High 15. Friday Night: Cloudy with 60 percent chance of showers. Low plus 5. Saturday: Cloudy with 40 percent chance of showers. High 10. Saturday Night: Cloudy periods with 30 percent chance of showers. Low plus 3. Sunday: A mix of sun and cloud with 30 percent chance of showers. High 8. |
regional radar

■ Cornwall
Rain Snow Ice Mix














