Cornwall, Ontario Weather - Extended Forecast

Saturday

Chance of flurries

High:
-11°C

A mix of sun and cloud with 30 percent chance of flurries. High minus 11.

Saturday Night

Chance of flurries

Overnight low:
-16°C

Cloudy periods with 30 percent chance of flurries. Low minus 16.

Sunday

Chance of flurries

High:
-11°C

Sunday Night

Cloudy periods

Overnight low:
-15°C

Monday

A mix of sun and cloud

High:
-7°C

Monday Night

Cloudy periods

Overnight low:
-11°C

Tuesday

A mix of sun and cloud

High:
-6°C

Tuesday Night

Cloudy periods

Overnight low:
-12°C