S
M
T
W
T
F
S
28
82°
56°
29
86°
55°
30
87°
63°
1
93°
72°
2
94°
71°
3
86°
69°
4
81°
63°
5
82°
64°
6
82°
63°
7
84°
63°
8
83°
63°
9
82°
64°
10
83°
65°
11
86°
66°
12
85°
65°
13
82°
62°
14
83°
70°
15
74°
57°
16
76°
57°
17
76°
60°
18
76°
58°
19
80°
64°
20
81°
64°
21
77°
63°
22
78°
64°
23
81°
64°
24
77°
63°
25
77°
63°
26
79°
62°
27
81°
64°
28
83°
65°
29
82°
64°
30
83°
65°
31
81°
65°
1
80°
64°
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 74° to 94°, with overnight lows between 57° and 72°. The average high for July is 82° with an average low of 64°. 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.
