S
M
T
W
T
F
S
31
67°
44°
1
63°
44°
2
63°
45°
3
64°
45°
4
63°
48°
5
64°
46°
6
66°
53°
7
67°
53°
8
66°
52°
9
67°
50°
10
68°
53°
11
71°
56°
12
70°
49°
13
69°
49°
14
69°
56°
15
71°
52°
16
78°
59°
17
79°
58°
18
79°
59°
19
80°
59°
20
80°
60°
21
79°
60°
22
78°
59°
23
79°
55°
24
77°
50°
25
77°
57°
26
80°
61°
27
81°
52°
28
80°
60°
29
82°
62°
30
80°
53°
1
79°
51°
2
73°
56°
3
77°
62°
4
75°
63°
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 82°, with overnight lows between 44° and 63°. The average high for June is 73° 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.
