S
M
T
W
T
F
S
31
54°
38°
1
55°
38°
2
54°
43°
3
56°
43°
4
59°
46°
5
58°
46°
6
57°
49°
7
56°
45°
8
71°
43°
9
65°
47°
10
59°
49°
11
64°
49°
12
63°
50°
13
58°
50°
14
58°
48°
15
58°
48°
16
67°
49°
17
62°
47°
18
56°
47°
19
60°
49°
20
67°
48°
21
65°
50°
22
61°
51°
23
58°
51°
24
69°
52°
25
65°
52°
26
60°
52°
27
64°
51°
28
60°
51°
29
62°
53°
30
57°
53°
1
66°
54°
2
66°
55°
3
66°
54°
4
61°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grand Manan
Grand Manan's June 2026 forecast shows daily high temperatures ranging from 57° to 66°, with overnight lows between 51° and 55°. The average high for June is 62° with an average low of 53°. 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 Grand Manan. See also: July | August | September.
