Monthly Historical AveragesChelmsford, ON
Average Temperature
High
24°
Feels 24
Low
12°
Feels 11
Average Precipitation
12 Days
85mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, August 10, 2026
Day
24°Feels 28
Wind
16 km/h W
Gust
30 km/h
Humidity
57%
P.O.P
40%
Rain
~1 mm
Night
14°Feels 13
Wind
15 km/h NW
Gust
26 km/h
Humidity
83%
P.O.P
20%
Historical AveragesAug 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity