Monthly Historical AveragesO'Brien, ON
Average Temperature
High
21°
Feels 22
Low
10°
Feels 9
Average Precipitation
13 Days
76.6mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, June 9, 2026
Day
30°Feels 33
Wind
10 km/h S
Gust
14 km/h
Humidity
35%
P.O.P
20%
Night
18°Feels 18
Wind
9 km/h E
Gust
14 km/h
Humidity
83%
P.O.P
80%
Rain
1-3 mm
Historical AveragesJun 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity