Monthly Historical AveragesHarrisburg, ON
Average Temperature
High
20°
Feels 20
Low
8°
Feels 7
Average Precipitation
12 Days
105.8mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
29°Feels 35
Wind
32 km/h SW
Gust
53 km/h
Humidity
48%
P.O.P
10%
Night
19°Feels 20
Wind
31 km/h SW
Gust
47 km/h
Humidity
94%
P.O.P
60%
Rain
~1 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity