S
M
T
W
T
F
S
26
61°
40°
27
74°
41°
28
64°
53°
29
53°
43°
30
49°
38°
1
46°
35°
2
45°
32°
3
55°
45°
4
66°
57°
5
65°
42°
6
48°
38°
7
48°
35°
8
49°
37°
9
51°
38°
10
54°
40°
11
55°
41°
12
57°
41°
13
57°
45°
14
59°
46°
15
58°
43°
16
59°
44°
17
68°
50°
18
69°
48°
19
64°
45°
20
69°
49°
21
68°
49°
22
63°
42°
23
60°
41°
24
61°
42°
25
61°
43°
26
62°
44°
27
62°
43°
28
63°
43°
29
62°
44°
30
64°
46°
31
65°
47°
1
64°
46°
2
66°
47°
3
67°
53°
4
69°
50°
5
67°
54°
6
74°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenwood
Glenwood's May 2026 forecast shows daily high temperatures ranging from 48° to 74°, with overnight lows between 35° and 57°. The average high for May is 61° with an average low of 45°. 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 Glenwood. See also: June | July | August.