Monthly Historical AveragesGlastonbury, ON
Average Temperature
High
24°
Feels 24
Low
12°
Feels 11
Average Precipitation
12 Days
87.6mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, June 10, 2026
Day
23°Feels 29
Wind
17 km/h S
Gust
26 km/h
Humidity
89%
P.O.P
90%
Rain
~5 mm
Night
19°Feels 20
Wind
16 km/h W
Gust
24 km/h
Humidity
100%
P.O.P
80%
Rain
1-3 mm
Historical AveragesJun 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity