S
M
T
W
T
F
S
28
70°
55°
29
67°
55°
30
67°
57°
1
71°
55°
2
75°
49°
3
82°
59°
4
80°
59°
5
84°
54°
6
88°
54°
7
86°
58°
8
77°
53°
9
81°
54°
10
80°
56°
11
76°
55°
12
81°
57°
13
88°
59°
14
90°
58°
15
86°
57°
16
87°
61°
17
86°
59°
18
81°
58°
19
82°
58°
20
78°
57°
21
80°
57°
22
82°
59°
23
85°
60°
24
85°
58°
25
77°
53°
26
79°
54°
27
83°
57°
28
79°
54°
29
78°
59°
30
78°
58°
31
81°
58°
1
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in West Haven-Sylvan
West Haven-Sylvan's July 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 53° and 61°. The average high for July is 82° with an average low of 57°. 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-Sylvan. See also: August | September | October.
