Monthly Historical AveragesBlenheim, ON
Average Temperature
High
26°
Feels 27
Low
16°
Feels 16
Average Precipitation
14 Days
84.6mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, August 11, 2026
Day
26°Feels 35
Wind
37 km/h W
Gust
56 km/h
Humidity
76%
P.O.P
60%
Rain
~1 mm
Night
18°Feels 18
Wind
17 km/h N
Gust
30 km/h
Humidity
94%
P.O.P
80%
Rain
~10 mm
Historical AveragesAug 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity