Monthly Historical AveragesUnion, ON
Average Temperature
High
-1°
Feels -5
Low
-7°
Feels -14
Average Precipitation
5 Days
11.3mm
8.3cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, January 11, 2026
Day
-2°Feels -10
Wind
39 km/h NW
Gust
64 km/h
Humidity
74%
P.O.P
40%
Snow
~1 cm
Night
-4°Feels -11
Wind
35 km/h W
Gust
53 km/h
Humidity
86%
P.O.P
30%
Historical AveragesJan 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity