S
M
T
W
T
F
S
28
85°
68°
29
91°
70°
30
94°
73°
1
96°
73°
2
97°
73°
3
97°
75°
4
94°
74°
5
90°
72°
6
88°
70°
7
89°
71°
8
87°
71°
9
83°
69°
10
79°
70°
11
81°
67°
12
87°
65°
13
87°
63°
14
89°
64°
15
90°
69°
16
91°
64°
17
90°
66°
18
87°
62°
19
86°
64°
20
89°
63°
21
90°
64°
22
85°
62°
23
81°
59°
24
89°
67°
25
88°
67°
26
88°
66°
27
87°
66°
28
88°
65°
29
85°
66°
30
80°
65°
31
81°
63°
1
80°
65°
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 79° to 91°, with overnight lows between 59° and 70°. The average high for July is 86° 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.
