S
M
T
W
T
F
S
28
86°
57°
29
91°
67°
30
94°
73°
1
97°
80°
2
95°
72°
3
87°
70°
4
81°
64°
5
81°
61°
6
81°
62°
7
81°
63°
8
84°
63°
9
86°
63°
10
83°
61°
11
82°
61°
12
84°
60°
13
84°
64°
14
85°
62°
15
83°
58°
16
78°
59°
17
76°
55°
18
79°
60°
19
81°
63°
20
84°
63°
21
84°
62°
22
82°
63°
23
83°
63°
24
81°
62°
25
83°
63°
26
84°
64°
27
85°
64°
28
84°
63°
29
83°
64°
30
84°
63°
31
84°
62°
1
79°
61°
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 76° to 95°, with overnight lows between 55° and 72°. The average high for July is 83° 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.
