S
M
T
W
T
F
S
31
68°
52°
1
64°
51°
2
63°
49°
3
64°
47°
4
65°
47°
5
66°
55°
6
70°
56°
7
74°
57°
8
75°
57°
9
75°
52°
10
67°
49°
11
66°
48°
12
68°
53°
13
69°
49°
14
66°
48°
15
66°
48°
16
68°
49°
17
70°
53°
18
74°
57°
19
76°
59°
20
75°
57°
21
70°
54°
22
71°
58°
23
74°
60°
24
78°
59°
25
77°
59°
26
72°
54°
27
71°
53°
28
73°
59°
29
80°
55°
30
72°
54°
1
73°
56°
2
74°
60°
3
79°
61°
4
74°
62°
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 63° to 80°, with overnight lows between 47° and 62°. The average high for June is 71° with an average low of 54°. 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.
