S
M
T
W
T
F
S
31
69°
51°
1
70°
49°
2
78°
57°
3
84°
58°
4
82°
63°
5
81°
64°
6
74°
64°
7
69°
58°
8
79°
58°
9
83°
64°
10
76°
68°
11
83°
70°
12
88°
65°
13
80°
63°
14
77°
57°
15
70°
55°
16
67°
57°
17
72°
59°
18
71°
58°
19
72°
58°
20
72°
57°
21
72°
58°
22
74°
59°
23
72°
55°
24
71°
58°
25
72°
52°
26
69°
52°
27
70°
53°
28
71°
53°
29
71°
55°
30
74°
60°
1
76°
60°
2
73°
61°
3
76°
61°
4
75°
60°
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 67° to 88°, with overnight lows between 52° and 70°. The average high for June is 74° with an average low of 59°. 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.