Tuesday
Chance of showers
High:
27°C
Cloudy with 40 percent chance of showers. High 27.
Cornwall, Ontario Weather - Extended Forecast
Tuesday Night
Cloudy
Overnight low:
17°C
Cloudy. Low 17.
Wednesday
Chance of showers
High:
28°C
Wednesday Night
Chance of showers
Overnight low:
18°C
Thursday
Chance of showers
High:
23°C
Thursday Night
Chance of showers
Overnight low:
11°C
Friday
A mix of sun and cloud
High:
20°C
Friday Night
Cloudy periods
Overnight low:
9°C