S
M
T
W
T
F
S
26
58°
41°
27
69°
41°
28
61°
43°
29
63°
52°
30
70°
46°
1
64°
43°
2
63°
43°
3
63°
41°
4
73°
47°
5
80°
58°
6
72°
61°
7
65°
46°
8
68°
52°
9
67°
52°
10
78°
53°
11
63°
46°
12
66°
47°
13
66°
50°
14
67°
51°
15
71°
54°
16
78°
54°
17
74°
54°
18
80°
59°
19
80°
60°
20
76°
56°
21
70°
53°
22
69°
53°
23
71°
54°
24
71°
53°
25
73°
57°
26
76°
59°
27
75°
58°
28
77°
58°
29
76°
55°
30
78°
61°
31
82°
63°
1
77°
63°
2
81°
61°
3
80°
63°
4
83°
64°
5
83°
64°
6
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glen Arm
Glen Arm's May 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 46° and 64°. The average high for May is 74° with an average low of 56°. 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 Glen Arm. See also: June | July | August.
