S
M
T
W
T
F
S
28
70°
55°
29
67°
55°
30
67°
57°
1
69°
51°
2
71°
57°
3
78°
54°
4
80°
54°
5
80°
54°
6
84°
53°
7
79°
56°
8
80°
55°
9
79°
57°
10
81°
56°
11
79°
58°
12
85°
57°
13
89°
60°
14
81°
56°
15
76°
56°
16
75°
59°
17
75°
54°
18
79°
58°
19
82°
58°
20
82°
59°
21
80°
59°
22
77°
58°
23
76°
57°
24
77°
57°
25
79°
58°
26
80°
60°
27
82°
61°
28
85°
59°
29
80°
57°
30
84°
60°
31
85°
61°
1
80°
60°
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 69° to 89°, with overnight lows between 51° and 61°. The average high for July is 80° 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.
