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
83°
54°
6
91°
57°
7
84°
57°
8
82°
58°
9
84°
53°
10
79°
59°
11
73°
52°
12
81°
55°
13
87°
59°
14
88°
58°
15
90°
58°
16
87°
57°
17
86°
59°
18
85°
57°
19
91°
58°
20
89°
58°
21
88°
60°
22
82°
59°
23
85°
60°
24
77°
53°
25
84°
58°
26
85°
58°
27
85°
61°
28
86°
61°
29
83°
56°
30
81°
60°
31
77°
53°
1
78°
54°
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 73° to 91°, with overnight lows between 52° and 61°. The average high for July is 84° 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.
