Monthly Historical AveragesWinchester, ON
Average Temperature
High
4°
Feels 0
Low
-6°
Feels -11
Average Precipitation
9 Days
21.6mm
15.6cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, March 18, 2026
Day
-2°Feels -7
Wind
15 km/h SW
Gust
24 km/h
Humidity
41%
P.O.P
30%
Night
-6°Feels -12
Wind
16 km/h SE
Gust
24 km/h
Humidity
80%
P.O.P
30%
Historical AveragesMar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity