Monthly Historical AveragesChelmsford, ON
Average Temperature
High
-3°
Feels -7
Low
-12°
Feels -17
Average Precipitation
12 Days
0mm
82.7cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, December 27, 2025
Day
-8°Feels -11
Wind
7 km/h SE
Gust
11 km/h
Humidity
72%
P.O.P
20%
Night
-11°Feels -16
Wind
13 km/h E
Gust
20 km/h
Humidity
92%
P.O.P
40%
Rain
<1 mm
Historical AveragesDec 27
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity