S
M
T
W
T
F
S
26
72°
53°
27
72°
43°
28
59°
42°
29
61°
43°
30
60°
41°
1
62°
41°
2
68°
46°
3
71°
49°
4
69°
50°
5
63°
46°
6
63°
47°
7
66°
46°
8
66°
48°
9
65°
48°
10
74°
60°
11
64°
54°
12
71°
49°
13
65°
46°
14
65°
46°
15
66°
52°
16
75°
56°
17
76°
58°
18
78°
58°
19
75°
57°
20
74°
59°
21
73°
58°
22
77°
59°
23
78°
61°
24
77°
60°
25
77°
56°
26
76°
58°
27
79°
60°
28
80°
61°
29
80°
63°
30
81°
62°
31
80°
63°
1
82°
64°
2
83°
64°
3
83°
63°
4
77°
63°
5
76°
62°
6
77°
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 59° to 83°, with overnight lows between 41° and 65°. The average high for May is 72° with an average low of 54°. 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.
