S
M
T
W
T
F
S
26
64°
57°
27
59°
41°
28
63°
46°
29
62°
47°
30
56°
44°
1
59°
40°
2
62°
44°
3
65°
47°
4
63°
48°
5
67°
47°
6
83°
57°
7
61°
44°
8
63°
46°
9
62°
44°
10
64°
52°
11
69°
55°
12
71°
50°
13
64°
47°
14
64°
47°
15
65°
50°
16
66°
49°
17
67°
54°
18
67°
48°
19
68°
48°
20
67°
49°
21
68°
53°
22
75°
59°
23
74°
53°
24
68°
50°
25
69°
51°
26
69°
52°
27
70°
52°
28
71°
56°
29
72°
58°
30
72°
55°
31
73°
55°
1
77°
57°
2
79°
62°
3
81°
64°
4
79°
60°
5
82°
64°
6
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Des Moines
Des Moines's May 2026 forecast shows daily high temperatures ranging from 56° to 84°, with overnight lows between 40° and 65°. The average high for May is 69° with an average low of 52°. 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 Des Moines. See also: June | July | August.
