S
M
T
W
T
F
S
31
77°
41°
1
79°
45°
2
N/A
3
84°
54°
4
86°
65°
5
84°
66°
6
77°
58°
7
77°
55°
8
79°
57°
9
81°
59°
10
82°
58°
11
82°
61°
12
81°
60°
13
82°
61°
14
82°
59°
15
79°
58°
16
80°
55°
17
76°
59°
18
79°
58°
19
79°
58°
20
80°
59°
21
82°
52°
22
73°
52°
23
74°
60°
24
81°
62°
25
83°
60°
26
82°
55°
27
74°
54°
28
75°
60°
29
76°
60°
30
77°
58°
1
78°
59°
2
80°
60°
3
83°
62°
4
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in New Haven
New Haven's June 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 66°. The average high for June is 80° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in New Haven. See also: July | August | September.