S
M
T
W
T
F
S
28
83°
68°
29
93°
70°
30
93°
75°
1
95°
74°
2
94°
73°
3
95°
74°
4
89°
70°
5
86°
71°
6
78°
69°
7
85°
65°
8
87°
63°
9
87°
67°
10
83°
64°
11
83°
62°
12
87°
62°
13
89°
66°
14
92°
68°
15
91°
67°
16
88°
65°
17
90°
65°
18
88°
64°
19
88°
65°
20
87°
67°
21
87°
65°
22
86°
63°
23
80°
61°
24
89°
68°
25
89°
68°
26
88°
67°
27
89°
67°
28
87°
66°
29
86°
66°
30
82°
64°
31
80°
66°
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 80° to 92°, with overnight lows between 61° and 68°. The average high for July is 87° with an average low of 65°. 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.
