S
M
T
W
T
F
S
26
71°
33°
27
75°
35°
28
71°
37°
29
69°
38°
30
53°
45°
1
62°
36°
2
55°
40°
3
54°
33°
4
72°
36°
5
84°
49°
6
63°
47°
7
60°
35°
8
59°
31°
9
51°
30°
10
68°
43°
11
62°
36°
12
62°
32°
13
49°
38°
14
56°
48°
15
65°
52°
16
79°
47°
17
81°
48°
18
78°
58°
19
88°
61°
20
84°
47°
21
61°
36°
22
63°
39°
23
65°
46°
24
63°
45°
25
67°
49°
26
70°
50°
27
69°
52°
28
72°
51°
29
69°
46°
30
65°
50°
31
67°
49°
1
69°
48°
2
65°
48°
3
65°
47°
4
66°
51°
5
67°
52°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Sunapee
Mount Sunapee's May 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 36° and 61°. The average high for May is 70° with an average low of 49°. 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 Mount Sunapee. See also: June | July | August.
