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