S
M
T
W
T
F
S
28
79°
64°
29
83°
66°
30
86°
69°
1
89°
73°
2
92°
75°
3
88°
69°
4
82°
65°
5
82°
66°
6
83°
67°
7
84°
67°
8
82°
68°
9
83°
65°
10
83°
68°
11
78°
67°
12
79°
68°
13
79°
68°
14
80°
67°
15
79°
68°
16
82°
69°
17
79°
69°
18
85°
70°
19
86°
70°
20
85°
69°
21
85°
70°
22
84°
69°
23
82°
70°
24
85°
70°
25
84°
69°
26
81°
66°
27
84°
70°
28
84°
70°
29
80°
69°
30
85°
66°
31
80°
63°
1
79°
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 78° to 92°, with overnight lows between 63° and 75°. The average high for July is 83° with an average low of 68°. 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.
