S
M
T
W
T
F
S
31
85°
67°
1
86°
66°
2
84°
64°
3
82°
60°
4
81°
61°
5
84°
61°
6
85°
64°
7
76°
71°
8
83°
70°
9
89°
69°
10
91°
71°
11
93°
72°
12
90°
69°
13
91°
68°
14
91°
71°
15
83°
67°
16
85°
65°
17
88°
69°
18
82°
72°
19
87°
72°
20
83°
68°
21
87°
67°
22
82°
69°
23
83°
64°
24
85°
68°
25
86°
69°
26
88°
72°
27
89°
72°
28
91°
74°
29
93°
76°
30
92°
74°
1
91°
72°
2
90°
72°
3
90°
71°
4
88°
70°
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 82° to 93°, with overnight lows between 64° and 76°. The average high for June is 88° with an average low of 71°. 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.