Monthly Historical AveragesThornhill, ON
Average Temperature
High
25°
Feels 25
Low
14°
Feels 14
Average Precipitation
11 Days
125.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, June 1, 2026
Day
23°Feels 23
Wind
15 km/h SE
Gust
20 km/h
Humidity
31%
P.O.P
20%
Night
10°Feels 9
Wind
12 km/h S
Gust
18 km/h
Humidity
71%
P.O.P
20%
Historical AveragesJun 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity