S
M
T
W
T
F
S
28
69°
52°
29
67°
53°
30
65°
52°
1
63°
52°
2
65°
53°
3
71°
54°
4
77°
55°
5
71°
54°
6
68°
52°
7
67°
53°
8
65°
52°
9
63°
56°
10
63°
57°
11
67°
54°
12
67°
55°
13
64°
56°
14
65°
55°
15
63°
56°
16
62°
55°
17
64°
56°
18
64°
57°
19
63°
56°
20
64°
55°
21
65°
57°
22
66°
57°
23
65°
56°
24
65°
57°
25
69°
58°
26
70°
58°
27
70°
57°
28
68°
59°
29
70°
59°
30
68°
58°
31
69°
57°
1
69°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Grand Manan
Grand Manan's July 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 52° and 59°. The average high for July is 66° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Grand Manan. See also: August | September | October.
