S
M
T
W
T
F
S
26
58°
32°
27
59°
32°
28
52°
34°
29
46°
42°
30
45°
42°
1
60°
38°
2
48°
43°
3
47°
41°
4
55°
44°
5
52°
48°
6
50°
47°
7
56°
42°
8
52°
39°
9
53°
40°
10
55°
43°
11
57°
44°
12
55°
43°
13
56°
42°
14
58°
43°
15
60°
44°
16
64°
48°
17
63°
47°
18
58°
49°
19
64°
48°
20
62°
48°
21
58°
49°
22
60°
50°
23
59°
48°
24
58°
47°
25
59°
48°
26
59°
50°
27
60°
49°
28
60°
47°
29
61°
46°
30
60°
50°
31
61°
52°
1
62°
49°
2
63°
48°
3
62°
52°
4
65°
53°
5
62°
52°
6
63°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in North Haven
North Haven's May 2026 forecast shows daily high temperatures ranging from 47° to 65°, with overnight lows between 39° and 53°. The average high for May is 58° with an average low of 47°. 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 North Haven. See also: June | July | August.