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 28, 2026
Day
2°Feels -3
Wind
24 km/h N
Gust
35 km/h
Humidity
50%
P.O.P
30%
Night
-7°Feels -15
Wind
24 km/h NE
Gust
36 km/h
Humidity
79%
P.O.P
70%
Snow
1-3 cm
Historical AveragesFeb 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity