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
85°
71°
5
85°
65°
6
82°
63°
7
83°
63°
8
87°
66°
9
88°
67°
10
86°
65°
11
87°
64°
12
87°
66°
13
83°
63°
14
84°
65°
15
86°
67°
16
86°
65°
17
87°
63°
18
80°
63°
19
80°
66°
20
80°
59°
21
79°
59°
22
79°
60°
23
80°
61°
24
81°
64°
25
84°
64°
26
84°
66°
27
85°
66°
28
87°
67°
29
87°
67°
30
86°
66°
31
85°
66°
1
85°
66°
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 88°, with overnight lows between 59° and 71°. The average high for July is 84° 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.
