Monthly Historical AveragesThornbury, ON
Average Temperature
High
-3°
Feels -7
Low
-9°
Feels -17
Average Precipitation
3 Days
0mm
16.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, February 18, 2026
Day
-2°Feels -9
Wind
41 km/h E
Gust
62 km/h
Humidity
80%
P.O.P
100%
Snow
5-10 cm
Night
-4°Feels -12
Wind
33 km/h SE
Gust
50 km/h
Humidity
93%
P.O.P
80%
Snow
~1 cm
Rain
<1 mm
Historical AveragesFeb 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity