Monthly Historical AveragesHarlem, ON
Average Temperature
High
12°
Feels 11
Low
1°
Feels -2
Average Precipitation
12 Days
101.1mm
7.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
8°Feels 6
Wind
14 km/h S
Gust
28 km/h
Humidity
49%
P.O.P
90%
Rain
2-4 mm
Night
4°Feels 1
Wind
30 km/h S
Gust
45 km/h
Humidity
100%
P.O.P
90%
Rain
35-45 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity