S
M
T
W
T
F
S
26
68°
44°
27
61°
45°
28
53°
37°
29
61°
36°
30
57°
40°
1
57°
31°
2
69°
49°
3
72°
46°
4
79°
46°
5
58°
39°
6
56°
36°
7
67°
42°
8
73°
45°
9
75°
50°
10
70°
46°
11
74°
52°
12
73°
51°
13
75°
50°
14
66°
45°
15
66°
52°
16
67°
55°
17
68°
53°
18
74°
56°
19
76°
57°
20
74°
57°
21
77°
52°
22
72°
49°
23
67°
50°
24
65°
50°
25
66°
51°
26
68°
50°
27
69°
52°
28
70°
50°
29
72°
60°
30
82°
60°
31
73°
61°
1
83°
62°
2
80°
62°
3
79°
61°
4
75°
61°
5
75°
57°
6
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ames
Ames's May 2026 forecast shows daily high temperatures ranging from 56° to 83°, with overnight lows between 31° and 62°. The average high for May is 71° with an average low of 51°. 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 Ames. See also: June | July | August.
