S
M
T
W
T
F
S
26
74°
63°
27
76°
60°
28
77°
64°
29
72°
68°
30
69°
62°
31
76°
60°
1
77°
66°
2
82°
69°
3
79°
68°
4
82°
54°
5
81°
50°
6
82°
72°
7
87°
74°
8
83°
73°
9
85°
67°
10
83°
70°
11
85°
68°
12
81°
68°
13
80°
65°
14
82°
62°
15
79°
61°
16
79°
59°
17
78°
60°
18
78°
61°
19
79°
60°
20
78°
60°
21
76°
59°
22
75°
62°
23
78°
63°
24
73°
59°
25
74°
61°
26
76°
62°
27
79°
62°
28
80°
61°
29
77°
58°
30
73°
55°
31
72°
55°
1
72°
56°
2
73°
58°
3
72°
56°
4
73°
59°
5
72°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Vineyard Haven
Vineyard Haven's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 55° and 73°. The average high for August is 77° with an average low of 61°. 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 Vineyard Haven. See also: September | October | November.
