S
M
T
W
T
F
S
26
65°
37°
27
70°
39°
28
68°
42°
29
64°
47°
30
54°
40°
1
56°
35°
2
50°
33°
3
53°
33°
4
69°
38°
5
78°
49°
6
55°
42°
7
54°
36°
8
52°
37°
9
49°
35°
10
60°
41°
11
56°
33°
12
58°
32°
13
57°
41°
14
56°
45°
15
63°
43°
16
77°
44°
17
81°
56°
18
88°
56°
19
83°
70°
20
71°
50°
21
61°
46°
22
62°
38°
23
61°
47°
24
55°
52°
25
73°
53°
26
81°
57°
27
80°
55°
28
71°
48°
29
66°
46°
30
70°
44°
31
67°
50°
1
72°
52°
2
74°
51°
3
75°
54°
4
74°
55°
5
76°
51°
6
70°
48°
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 55° to 81°, with overnight lows between 44° and 57°. 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.
