S
M
T
W
T
F
S
28
81°
63°
29
94°
71°
30
91°
76°
1
85°
67°
2
82°
68°
3
82°
67°
4
87°
64°
5
85°
66°
6
86°
64°
7
87°
68°
8
80°
70°
9
84°
67°
10
86°
63°
11
89°
66°
12
90°
69°
13
90°
68°
14
94°
70°
15
94°
66°
16
91°
71°
17
94°
70°
18
85°
62°
19
86°
61°
20
85°
63°
21
82°
59°
22
79°
60°
23
80°
61°
24
84°
60°
25
84°
64°
26
80°
58°
27
81°
60°
28
75°
57°
29
75°
58°
30
76°
60°
31
79°
61°
1
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in New Haven
New Haven's July 2026 forecast shows daily high temperatures ranging from 75° to 94°, with overnight lows between 57° and 71°. The average high for July is 84° with an average low of 63°. 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 New Haven. See also: August | September | October.
