S
M
T
W
T
F
S
26
77°
61°
27
81°
63°
28
81°
72°
29
79°
70°
30
75°
68°
31
81°
64°
1
84°
66°
2
82°
73°
3
82°
73°
4
82°
61°
5
82°
61°
6
88°
75°
7
88°
73°
8
88°
72°
9
89°
65°
10
87°
72°
11
87°
66°
12
84°
70°
13
86°
65°
14
82°
64°
15
80°
62°
16
78°
65°
17
79°
64°
18
78°
65°
19
78°
64°
20
79°
65°
21
82°
66°
22
80°
64°
23
83°
68°
24
76°
62°
25
78°
64°
26
81°
66°
27
83°
67°
28
83°
66°
29
82°
61°
30
75°
59°
31
75°
59°
1
76°
61°
2
75°
62°
3
74°
60°
4
75°
64°
5
74°
64°
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 74° to 89°, with overnight lows between 59° and 72°. 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.
