forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 0500 ET Mon Nov 9 2026 |
| Today: Mainly cloudy. 30 percent chance of showers early this morning. Wind becoming northwest 20 km/h gusting to 40 this morning. High 10. Uv index 2 or low. Tonight: Overcast. Low plus 3. Tuesday: Cloudy. 30 percent chance of showers late in the morning and in the afternoon. Wind becoming west 20 km/h gusting to 40 near noon. High 11. Uv index 1 or low. Tuesday Night: Cloudy with 30 percent chance of showers. Low zero. Wednesday: A mix of sun and cloud with 30 percent chance of showers. High 9. Wednesday Night: Cloudy with 30 percent chance of rain showers or flurries. Low minus 2. Thursday: Cloudy with 30 percent chance of rain showers or flurries. High 6. Thursday Night: Cloudy with 30 percent chance of rain showers or flurries. Low minus 3. Friday: Cloudy with 30 percent chance of rain showers or flurries. High 6. Friday Night: Cloudy with 30 percent chance of rain showers or flurries. Low minus 2. Saturday: Cloudy with 30 percent chance of rain showers or flurries. High 6. Saturday Night: Cloudy with 30 percent chance of rain showers or flurries. Low minus 2. Sunday: Cloudy with 30 percent chance of rain showers or flurries. High 6. |
regional radar

■ Cornwall
Rain Snow Ice Mix














