Monthly Historical AveragesSarnia 45, ON
Average Temperature
High
-1°
Feels -5
Low
-8°
Feels -14
Average Precipitation
3 Days
3.8mm
5.3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, January 23, 2026
Day
-16°Feels -25
Wind
32 km/h W
Gust
48 km/h
Humidity
32%
P.O.P
20%
Night
-22°Feels -31
Wind
20 km/h W
Gust
35 km/h
Humidity
77%
P.O.P
20%
Historical AveragesJan 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity