Friday
Sunny
High:
-3°C
Sunny. High minus 3.
Sarnia, Ontario Weather - Extended Forecast
Friday Night
Cloudy periods
Overnight low:
-8°C
Cloudy periods. Low minus 8.
Saturday
Periods of snow
High:
-1°C
Saturday Night
Snow
Overnight low:
-3°C
Sunday
Chance of flurries
High:
-1°C
Sunday Night
Cloudy periods
Overnight low:
-8°C
Monday
A mix of sun and cloud
High:
-3°C
Monday Night
Cloudy periods
Overnight low:
-8°C