S
M
T
W
T
F
S
28
85°
68°
29
91°
70°
30
94°
73°
1
96°
73°
2
N/A
3
97°
70°
4
92°
72°
5
88°
70°
6
87°
68°
7
83°
64°
8
86°
65°
9
86°
67°
10
88°
66°
11
84°
68°
12
85°
64°
13
89°
67°
14
86°
65°
15
87°
62°
16
80°
59°
17
80°
59°
18
81°
60°
19
85°
65°
20
85°
65°
21
81°
64°
22
81°
65°
23
86°
66°
24
86°
66°
25
87°
65°
26
87°
66°
27
86°
66°
28
88°
67°
29
87°
67°
30
88°
66°
31
86°
66°
1
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in New Haven
New Haven's July 2026 forecast shows daily high temperatures ranging from 80° to 97°, with overnight lows between 59° and 72°. The average high for July is 86° with an average low of 66°. 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.