S
M
T
W
T
F
S
26
65°
32°
27
73°
36°
28
70°
39°
29
64°
43°
30
46°
34°
1
46°
28°
2
46°
31°
3
45°
32°
4
50°
37°
5
55°
42°
6
56°
43°
7
52°
38°
8
52°
36°
9
54°
40°
10
52°
39°
11
54°
38°
12
64°
44°
13
62°
42°
14
57°
36°
15
56°
35°
16
57°
36°
17
58°
37°
18
57°
37°
19
67°
45°
20
59°
42°
21
58°
39°
22
57°
38°
23
58°
39°
24
59°
40°
25
61°
46°
26
62°
44°
27
60°
40°
28
61°
44°
29
68°
49°
30
71°
48°
31
65°
46°
1
68°
50°
2
71°
52°
3
71°
52°
4
69°
48°
5
66°
45°
6
64°
47°
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 45° to 71°, with overnight lows between 28° and 52°. The average high for May is 59° with an average low of 41°. 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.
