S
M
T
W
T
F
S
31
77°
46°
1
75°
40°
2
80°
50°
3
81°
61°
4
79°
64°
5
79°
55°
6
75°
52°
7
84°
52°
8
79°
64°
9
82°
63°
10
83°
65°
11
74°
57°
12
71°
54°
13
63°
51°
14
65°
41°
15
75°
39°
16
64°
45°
17
61°
45°
18
65°
46°
19
67°
43°
20
68°
46°
21
68°
43°
22
69°
37°
23
73°
41°
24
69°
50°
25
69°
45°
26
77°
41°
27
80°
47°
28
78°
58°
29
86°
62°
30
89°
63°
1
86°
66°
2
87°
62°
3
78°
59°
4
77°
56°
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 77° to 89°, with overnight lows between 56° and 66°. The average high for June is 83° with an average low of 61°. 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.
