Sunday
Sunny
High:
19°C
Sunny. High 19.
Sarnia, Ontario Weather - Extended Forecast
Sunday Night
Clear
Overnight low:
9°C
Clear. Low 9.
Monday
Sunny
High:
25°C
Monday Night
Cloudy
Overnight low:
15°C
Tuesday
Chance of showers
High:
20°C
Tuesday Night
Chance of showers
Overnight low:
15°C
Wednesday
Chance of showers
High:
23°C
Wednesday Night
Chance of showers
Overnight low:
15°C