Sunday
Chance of showers
High:
24°C
A mix of sun and cloud with 30 percent chance of showers. High 24.
Sarnia, Ontario Weather - Extended Forecast
Sunday Night
Cloudy periods
Overnight low:
15°C
Cloudy periods. Low 15.
Monday
Chance of showers
High:
24°C
Monday Night
Chance of showers
Overnight low:
12°C
Tuesday
Chance of showers
High:
21°C
Tuesday Night
Cloudy periods
Overnight low:
8°C
Wednesday
Chance of showers
High:
17°C
Wednesday Night
Cloudy periods
Overnight low:
6°C