S
M
T
W
T
F
S
28
94°
73°
29
95°
73°
30
97°
74°
1
99°
74°
2
96°
71°
3
97°
73°
4
96°
73°
5
95°
73°
6
93°
72°
7
92°
74°
8
91°
72°
9
90°
73°
10
89°
71°
11
89°
72°
12
90°
73°
13
91°
73°
14
90°
74°
15
102°
78°
16
91°
70°
17
90°
69°
18
89°
69°
19
93°
74°
20
94°
75°
21
93°
75°
22
94°
74°
23
94°
75°
24
95°
75°
25
95°
74°
26
94°
75°
27
95°
75°
28
96°
74°
29
94°
74°
30
95°
75°
31
94°
74°
1
93°
73°
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 89° to 102°, with overnight lows between 69° and 78°. The average high for July is 93° 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.
