S
M
T
W
T
F
S
28
94°
73°
29
95°
73°
30
96°
75°
1
96°
75°
2
98°
76°
3
95°
74°
4
96°
73°
5
93°
73°
6
93°
72°
7
89°
74°
8
88°
72°
9
87°
73°
10
89°
71°
11
89°
72°
12
91°
71°
13
92°
74°
14
93°
74°
15
92°
71°
16
91°
70°
17
92°
71°
18
93°
73°
19
94°
74°
20
93°
73°
21
88°
73°
22
88°
72°
23
86°
74°
24
87°
74°
25
89°
73°
26
88°
74°
27
88°
74°
28
89°
73°
29
88°
74°
30
88°
74°
31
89°
70°
1
88°
71°
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 86° to 98°, with overnight lows between 70° and 76°. The average high for July is 91° with an average low of 73°. 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.
