The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Cornwall, ON
Content continues below
Content continues below
June
Average Temperature
High
24°
Feels 25
Low
13°
Feels 12
Average Precipitation
13 Days
Rain amount
96.8mm
Snow amount
0cm
Daily Historical Averages
June 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
29°
12
29°
13
26°
14
25°
15
19°
16
19°
17
21°
18
22°
19
20°
20
21°
21
21°
22
21°
23
22°
24
22°
25
22°
26
27
28
29
30
Forecast
Thursday, June 11, 2026
Day
29°
Feels 37
Wind
23 km/h SW
Gust
36 km/h
Humidity
58%
P.O.P
40%
Rain
<1 mm
Night
21°
Feels 25
Wind
16 km/h SW
Gust
33 km/h
Humidity
94%
P.O.P
60%
Rain
1-3 mm
Historical Averages
Jun 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.