S
M
T
W
T
F
S
28
81°
68°
29
88°
63°
30
91°
68°
1
91°
77°
2
91°
75°
3
93°
73°
4
91°
68°
5
86°
66°
6
84°
68°
7
82°
68°
8
86°
68°
9
84°
70°
10
79°
68°
11
82°
65°
12
85°
66°
13
89°
66°
14
90°
68°
15
91°
67°
16
91°
69°
17
89°
69°
18
86°
65°
19
81°
65°
20
80°
64°
21
81°
66°
22
83°
64°
23
82°
63°
24
88°
67°
25
88°
67°
26
87°
66°
27
88°
67°
28
87°
67°
29
84°
66°
30
79°
66°
31
81°
64°
1
81°
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 79° to 91°, with overnight lows between 63° and 69°. The average high for July is 85° 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.
