S
M
T
W
T
F
S
26
55°
44°
27
56°
44°
28
57°
43°
29
56°
42°
30
57°
41°
1
58°
49°
2
67°
49°
3
62°
46°
4
58°
43°
5
59°
41°
6
60°
45°
7
59°
46°
8
59°
48°
9
61°
46°
10
60°
43°
11
61°
44°
12
61°
49°
13
62°
45°
14
61°
48°
15
62°
47°
16
62°
47°
17
64°
54°
18
70°
55°
19
69°
54°
20
65°
50°
21
65°
51°
22
66°
48°
23
67°
49°
24
66°
49°
25
67°
52°
26
74°
53°
27
72°
52°
28
75°
57°
29
75°
57°
30
74°
56°
31
69°
58°
1
68°
58°
2
69°
57°
3
69°
54°
4
76°
56°
5
77°
60°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in East Haven
East Haven's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 41° and 61°. The average high for May is 65° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in East Haven. See also: June | July | August.
