Monthly Historical AveragesMercer Union, ON
Average Temperature
High
11°
Feels 9
Low
3°
Feels 0
Average Precipitation
12 Days
102.4mm
3cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
6°Feels 3
Wind
22 km/h E
Gust
33 km/h
Humidity
76%
P.O.P
90%
Rain
~5 mm
Night
6°Feels 2
Wind
30 km/h SW
Gust
45 km/h
Humidity
100%
P.O.P
80%
Rain
1-3 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity