S
M
T
W
T
F
S
26
77°
64°
27
77°
63°
28
76°
64°
29
76°
63°
30
71°
62°
31
70°
58°
1
68°
56°
2
68°
56°
3
69°
58°
4
69°
59°
5
70°
59°
6
70°
61°
7
69°
62°
8
70°
61°
9
70°
62°
10
72°
56°
11
70°
55°
12
73°
61°
13
70°
62°
14
75°
61°
15
77°
60°
16
70°
61°
17
69°
61°
18
75°
62°
19
74°
59°
20
73°
54°
21
68°
54°
22
70°
53°
23
71°
54°
24
71°
58°
25
74°
58°
26
74°
57°
27
75°
56°
28
73°
53°
29
71°
55°
30
72°
58°
31
75°
58°
1
74°
50°
2
72°
51°
3
66°
54°
4
68°
57°
5
70°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Vinalhaven
Vinalhaven's August 2026 forecast shows daily high temperatures ranging from 66° to 77°, with overnight lows between 50° and 64°. The average high for August is 72° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Vinalhaven. See also: September | October | November.
