Sarnia, Ontario Weather - Extended Forecast

Saturday

Chance of showers

High:
7°C

Cloudy with 40 percent chance of showers. High 7.

Saturday Night

Cloudy

Overnight low:
1°C

Cloudy. Low plus 1.

Sunday

Cloudy

High:
9°C

Sunday Night

Chance of showers

Overnight low:
5°C

Monday

Chance of showers

High:
8°C

Monday Night

Chance of showers

Overnight low:
1°C

Tuesday

Chance of showers

High:
1°C

Tuesday Night

Cloudy periods

Overnight low:
0°C