Monday
Sunny
High:
11°C
Sunny. High 11.
Sarnia, Ontario Weather - Extended Forecast
Monday Night
Cloudy periods
Overnight low:
5°C
Cloudy periods. Low plus 5.
Tuesday
Cloudy
High:
14°C
Tuesday Night
Chance of showers
Overnight low:
9°C
Wednesday
Chance of showers
High:
12°C
Wednesday Night
Chance of showers
Overnight low:
8°C
Thursday
Chance of showers
High:
11°C
Thursday Night
Chance of showers
Overnight low:
7°C
Friday
A mix of sun and cloud
High:
13°C