S
M
T
W
T
F
S
26
81°
66°
27
84°
70°
28
84°
70°
29
80°
69°
30
85°
66°
31
80°
63°
1
79°
64°
2
79°
65°
3
80°
67°
4
84°
70°
5
85°
70°
6
85°
68°
7
82°
68°
8
84°
69°
9
85°
68°
10
83°
62°
11
80°
61°
12
81°
63°
13
79°
62°
14
81°
62°
15
79°
65°
16
79°
67°
17
77°
65°
18
78°
62°
19
78°
61°
20
79°
61°
21
78°
64°
22
80°
67°
23
80°
66°
24
83°
66°
25
83°
59°
26
82°
59°
27
77°
60°
28
76°
60°
29
75°
63°
30
77°
64°
31
76°
65°
1
81°
60°
2
76°
60°
3
77°
59°
4
76°
58°
5
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in West Haven
West Haven's August 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 58° and 70°. The average high for August is 80° with an average low of 64°. 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 West Haven. See also: September | October | November.
