S
M
T
W
T
F
S
26
78°
61°
27
84°
73°
28
80°
66°
29
67°
56°
30
64°
48°
1
69°
48°
2
72°
44°
3
79°
40°
4
76°
56°
5
75°
65°
6
65°
49°
7
71°
45°
8
75°
46°
9
84°
55°
10
75°
63°
11
75°
49°
12
79°
44°
13
83°
50°
14
82°
61°
15
89°
70°
16
85°
69°
17
86°
73°
18
82°
71°
19
82°
64°
20
80°
61°
21
76°
60°
22
77°
57°
23
79°
60°
24
84°
62°
25
82°
62°
26
79°
63°
27
84°
59°
28
83°
63°
29
81°
63°
30
79°
62°
31
82°
62°
1
80°
63°
2
81°
64°
3
83°
65°
4
86°
65°
5
86°
64°
6
82°
66°
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 76° to 89°, with overnight lows between 57° and 73°. The average high for May is 82° with an average low of 64°. 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.