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
79°
62°
19
66°
48°
20
63°
50°
21
63°
51°
22
63°
53°
23
74°
55°
24
78°
59°
25
82°
63°
26
82°
63°
27
78°
64°
28
81°
63°
29
80°
64°
30
83°
66°
31
82°
64°
1
80°
63°
2
81°
69°
3
81°
65°
4
80°
63°
5
74°
58°
6
74°
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 83°, with overnight lows between 50° and 69°. The average high for May is 77° with an average low of 61°. 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.
