Monthly Historical AveragesCasummit Lake, ON
Average Temperature
High
20°
Feels 20
Low
9°
Feels 8
Average Precipitation
15 Days
135.1mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, June 9, 2026
Day
27°Feels 27
Wind
12 km/h S
Gust
17 km/h
Humidity
29%
P.O.P
10%
Night
19°Feels 20
Wind
26 km/h SE
Gust
39 km/h
Humidity
88%
P.O.P
40%
Rain
<1 mm
Historical AveragesJun 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity