S
M
T
W
T
F
S
26
51°
37°
27
54°
36°
28
62°
37°
29
59°
34°
30
49°
41°
1
64°
29°
2
72°
46°
3
73°
48°
4
72°
39°
5
43°
34°
6
47°
39°
7
66°
47°
8
67°
50°
9
68°
49°
10
67°
46°
11
68°
52°
12
76°
54°
13
75°
52°
14
74°
52°
15
68°
42°
16
72°
48°
17
67°
46°
18
73°
49°
19
68°
42°
20
71°
44°
21
64°
41°
22
66°
47°
23
73°
49°
24
64°
45°
25
64°
42°
26
65°
44°
27
66°
48°
28
66°
47°
29
67°
51°
30
65°
48°
31
66°
49°
1
68°
47°
2
71°
48°
3
75°
48°
4
73°
50°
5
70°
50°
6
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Green Mountain
Green Mountain's May 2026 forecast shows daily high temperatures ranging from 43° to 76°, with overnight lows between 34° and 54°. The average high for May is 68° 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 Green Mountain. See also: June | July | August.
