S
M
T
W
T
F
S
31
84°
68°
1
87°
71°
2
82°
56°
3
82°
59°
4
86°
65°
5
81°
67°
6
84°
69°
7
84°
69°
8
80°
65°
9
85°
66°
10
84°
65°
11
87°
67°
12
85°
66°
13
84°
65°
14
84°
63°
15
83°
64°
16
84°
62°
17
78°
63°
18
79°
66°
19
78°
67°
20
79°
67°
21
82°
66°
22
81°
67°
23
80°
64°
24
84°
67°
25
85°
68°
26
87°
68°
27
85°
67°
28
86°
68°
29
85°
68°
30
86°
67°
1
83°
69°
2
84°
69°
3
88°
68°
4
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Montreal
Montreal's June 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 56° and 69°. The average high for June is 83° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Montreal. See also: July | August | September.
