S
M
T
W
T
F
S
28
75°
56°
29
77°
57°
30
79°
61°
1
80°
62°
2
80°
61°
3
79°
60°
4
76°
59°
5
78°
68°
6
75°
55°
7
76°
57°
8
80°
61°
9
82°
62°
10
76°
62°
11
76°
61°
12
79°
63°
13
77°
63°
14
79°
62°
15
79°
63°
16
77°
63°
17
78°
62°
18
77°
62°
19
76°
63°
20
79°
61°
21
82°
63°
22
80°
63°
23
78°
62°
24
77°
63°
25
80°
63°
26
81°
62°
27
83°
64°
28
82°
64°
29
80°
63°
30
79°
64°
31
82°
64°
1
83°
63°
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 83°, with overnight lows between 55° and 68°. The average high for July is 79° with an average low of 62°. 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.
