Monthly Historical AveragesSydenham Lake, ON
Average Temperature
High
20°
Feels 20
Low
8°
Feels 7
Average Precipitation
12 Days
76.7mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 11, 2026
Day
12°Feels 11
Wind
13 km/h W
Gust
35 km/h
Humidity
38%
P.O.P
40%
Rain
<1 mm
Night
2°Feels -1
Wind
11 km/h N
Gust
21 km/h
Humidity
81%
P.O.P
40%
Rain
2-4 mm
Historical AveragesMay 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity