Monthly Historical AveragesHarstone, ON
Average Temperature
High
9°
Feels 7
Low
-4°
Feels -7
Average Precipitation
9 Days
23mm
40.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
5°Feels 3
Wind
9 km/h SE
Gust
21 km/h
Humidity
85%
P.O.P
90%
Rain
2-4 mm
Night
2°Feels -2
Wind
17 km/h NW
Gust
26 km/h
Humidity
100%
P.O.P
90%
Rain
~5 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity