Monthly Historical AveragesSt. Clair, ON
Average Temperature
High
-1°
Feels -5
Low
-9°
Feels -15
Average Precipitation
4 Days
1.3mm
12.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, February 21, 2026
Day
3°Feels -1
Wind
26 km/h W
Gust
39 km/h
Humidity
65%
P.O.P
40%
Night
-2°Feels -6
Wind
14 km/h W
Gust
21 km/h
Humidity
93%
P.O.P
60%
Snow
~1 cm
Historical AveragesFeb 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity