S
M
T
W
T
F
S
26
53°
29°
27
50°
34°
28
42°
30°
29
42°
31°
30
45°
31°
1
58°
29°
2
66°
40°
3
72°
40°
4
48°
30°
5
39°
28°
6
45°
29°
7
54°
28°
8
58°
39°
9
48°
31°
10
52°
35°
11
64°
43°
12
59°
40°
13
69°
49°
14
68°
48°
15
74°
49°
16
64°
49°
17
65°
47°
18
66°
50°
19
69°
53°
20
66°
50°
21
67°
49°
22
75°
46°
23
65°
48°
24
70°
47°
25
71°
48°
26
61°
48°
27
61°
47°
28
62°
44°
29
61°
41°
30
60°
40°
31
61°
39°
1
63°
46°
2
65°
50°
3
64°
49°
4
69°
51°
5
65°
46°
6
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenelm
Glenelm's May 2026 forecast shows daily high temperatures ranging from 48° to 75°, with overnight lows between 31° and 53°. The average high for May is 65° with an average low of 46°. 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 Glenelm. See also: June | July | August.