Monthly Historical AveragesMainsville, ON
Average Temperature
High
24°
Feels 25
Low
13°
Feels 13
Average Precipitation
12 Days
78.1mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, June 10, 2026
Day
25°Feels 35
Wind
17 km/h S
Gust
26 km/h
Humidity
81%
P.O.P
90%
Rain
~5 mm
Night
20°Feels 22
Wind
19 km/h S
Gust
29 km/h
Humidity
100%
P.O.P
90%
Rain
5-10 mm
Historical AveragesJun 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity