S
M
T
W
T
F
S
31
79°
68°
1
86°
68°
2
82°
59°
3
82°
54°
4
86°
68°
5
87°
68°
6
87°
70°
7
83°
71°
8
79°
69°
9
85°
66°
10
90°
69°
11
91°
67°
12
88°
65°
13
88°
66°
14
84°
64°
15
86°
63°
16
84°
62°
17
85°
61°
18
86°
64°
19
83°
65°
20
87°
65°
21
87°
63°
22
81°
63°
23
87°
67°
24
89°
68°
25
90°
67°
26
89°
67°
27
85°
66°
28
85°
67°
29
86°
67°
30
85°
66°
1
85°
66°
2
86°
67°
3
85°
67°
4
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in New Haven
New Haven's June 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 61° and 71°. The average high for June is 86° 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 June weather will actually feel in New Haven. See also: July | August | September.