S
M
T
W
T
F
S
28
77°
59°
29
78°
59°
30
78°
60°
1
79°
59°
2
78°
59°
3
76°
60°
4
76°
60°
5
80°
67°
6
78°
61°
7
80°
62°
8
83°
62°
9
79°
65°
10
78°
67°
11
78°
67°
12
80°
66°
13
85°
68°
14
86°
68°
15
85°
69°
16
86°
68°
17
85°
67°
18
80°
68°
19
86°
69°
20
87°
64°
21
86°
69°
22
86°
69°
23
85°
64°
24
80°
62°
25
78°
63°
26
79°
65°
27
78°
66°
28
79°
67°
29
84°
66°
30
85°
68°
31
85°
69°
1
86°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in West Haven
West Haven's July 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 59° and 70°. The average high for July is 81° with an average low of 65°. 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 West Haven. See also: August | September | October.