Monthly Historical AveragesPostans, ON
Average Temperature
High
21°
Feels 21
Low
9°
Feels 7
Average Precipitation
12 Days
100.8mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, June 9, 2026
Day
27°Feels 32
Wind
11 km/h S
Gust
18 km/h
Humidity
54%
P.O.P
40%
Night
14°Feels 13
Wind
17 km/h SE
Gust
26 km/h
Humidity
94%
P.O.P
30%
Historical AveragesJun 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity