Monthly Historical AveragesThornbury, ON
Average Temperature
High
9°
Feels 7
Low
1°
Feels -3
Average Precipitation
5 Days
16.1mm
2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 5, 2026
Day
4°Feels -1
Wind
37 km/h W
Gust
56 km/h
Humidity
65%
P.O.P
40%
Snow
<1 cm
Rain
<1 mm
Night
-1°Feels -7
Wind
36 km/h W
Gust
54 km/h
Humidity
86%
P.O.P
40%
Snow
<1 cm
Historical AveragesApr 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity