S
M
T
W
T
F
S
31
66°
53°
1
69°
52°
2
74°
48°
3
71°
53°
4
73°
44°
5
68°
58°
6
77°
58°
7
78°
59°
8
78°
53°
9
77°
48°
10
70°
48°
11
68°
49°
12
69°
56°
13
74°
56°
14
75°
55°
15
77°
59°
16
79°
58°
17
73°
58°
18
78°
55°
19
75°
52°
20
75°
57°
21
77°
56°
22
78°
56°
23
72°
52°
24
71°
50°
25
72°
51°
26
74°
60°
27
77°
59°
28
74°
51°
29
73°
57°
30
80°
58°
1
71°
53°
2
75°
54°
3
80°
53°
4
81°
61°
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 66° to 81°, with overnight lows between 44° and 61°. The average high for June is 74° 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.
