Monthly Historical AveragesCornwall Island, ON
Average Temperature
High
-4°
Feels -7
Low
-13°
Feels -19
Average Precipitation
7 Days
1.5mm
27.7cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, January 5, 2026
Day
-11°Feels -17
Wind
14 km/h E
Gust
21 km/h
Humidity
70%
P.O.P
70%
Snow
1-3 cm
Night
-12°Feels -18
Wind
14 km/h NE
Gust
21 km/h
Humidity
92%
P.O.P
70%
Snow
~1 cm
Historical AveragesJan 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity