Monthly Historical AveragesHarrow, ON
Average Temperature
High
26°
Feels 27
Low
18°
Feels 18
Average Precipitation
10 Days
59.2mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, August 18, 2026
Day
27°Feels 33
Wind
24 km/h W
Gust
36 km/h
Humidity
51%
P.O.P
20%
Night
20°Feels 22
Wind
27 km/h W
Gust
41 km/h
Humidity
94%
P.O.P
90%
Rain
~5 mm
Historical AveragesAug 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity