S
M
T
W
T
F
S
26
67°
27°
27
74°
29°
28
66°
32°
29
63°
42°
30
50°
43°
1
54°
37°
2
52°
40°
3
53°
37°
4
63°
43°
5
69°
51°
6
59°
42°
7
54°
37°
8
49°
31°
9
51°
36°
10
54°
41°
11
55°
37°
12
54°
37°
13
56°
39°
14
55°
40°
15
62°
40°
16
59°
39°
17
58°
36°
18
59°
45°
19
59°
45°
20
65°
44°
21
67°
46°
22
68°
44°
23
58°
43°
24
60°
46°
25
61°
42°
26
62°
41°
27
62°
44°
28
61°
45°
29
62°
48°
30
67°
47°
31
64°
44°
1
63°
42°
2
62°
42°
3
63°
43°
4
62°
44°
5
63°
43°
6
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glen
Glen's May 2026 forecast shows daily high temperatures ranging from 49° to 69°, with overnight lows between 31° and 51°. The average high for May is 60° with an average low of 42°. 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. See also: June | July | August.
