S
M
T
W
T
F
S
26
72°
53°
27
72°
48°
28
56°
44°
29
60°
44°
30
56°
42°
1
58°
39°
2
63°
37°
3
76°
51°
4
82°
49°
5
59°
44°
6
58°
40°
7
70°
40°
8
76°
46°
9
74°
47°
10
72°
41°
11
75°
45°
12
78°
55°
13
76°
50°
14
80°
52°
15
88°
59°
16
82°
60°
17
82°
62°
18
81°
52°
19
64°
46°
20
65°
49°
21
63°
53°
22
66°
55°
23
74°
58°
24
81°
62°
25
83°
64°
26
84°
65°
27
83°
64°
28
81°
60°
29
78°
59°
30
79°
60°
31
82°
64°
1
82°
63°
2
78°
63°
3
73°
59°
4
74°
59°
5
79°
64°
6
80°
64°
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 63° to 84°, with overnight lows between 46° and 65°. The average high for May is 77° with an average low of 59°. 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.
