Monthly Historical AveragesWinchester, ON
Average Temperature
High
26°
Feels 27
Low
14°
Feels 14
Average Precipitation
11 Days
80mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, August 13, 2026
Day
24°Feels 28
Wind
19 km/h W
Gust
29 km/h
Humidity
50%
P.O.P
40%
Rain
<1 mm
Night
14°Feels 14
Wind
16 km/h NW
Gust
24 km/h
Humidity
100%
P.O.P
20%
Historical AveragesAug 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity