Monthly Historical AveragesSarnia, ON
Average Temperature
High
12°
Feels 10
Low
2°
Feels -1
Average Precipitation
6 Days
16.7mm
1.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 22, 2026
Day
15°Feels 14
Wind
16 km/h N
Gust
24 km/h
Humidity
44%
P.O.P
10%
Night
4°Feels 1
Wind
17 km/h N
Gust
24 km/h
Humidity
93%
P.O.P
10%
Historical AveragesApr 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity