Monthly Historical AveragesCalstock, ON
Average Temperature
High
21°
Feels 21
Low
8°
Feels 7
Average Precipitation
14 Days
114.2mm
0.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, June 9, 2026
Day
25°Feels 31
Wind
11 km/h SW
Gust
17 km/h
Humidity
65%
P.O.P
70%
Rain
2-4 mm
Night
17°Feels 17
Wind
11 km/h S
Gust
17 km/h
Humidity
94%
P.O.P
40%
Historical AveragesJun 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity