S
M
T
W
T
F
S
26
48°
29°
27
59°
35°
28
57°
38°
29
58°
33°
30
55°
32°
1
51°
29°
2
57°
34°
3
63°
39°
4
64°
40°
5
65°
38°
6
64°
33°
7
54°
39°
8
58°
36°
9
54°
32°
10
56°
35°
11
59°
34°
12
59°
38°
13
67°
42°
14
60°
40°
15
62°
42°
16
69°
43°
17
67°
37°
18
56°
35°
19
58°
36°
20
59°
40°
21
60°
37°
22
57°
37°
23
60°
42°
24
62°
42°
25
63°
40°
26
61°
38°
27
61°
38°
28
66°
41°
29
74°
48°
30
76°
49°
31
76°
48°
1
71°
47°
2
75°
50°
3
74°
48°
4
74°
46°
5
75°
45°
6
71°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cheyenne
Cheyenne's May 2026 forecast shows daily high temperatures ranging from 48° to 76°, with overnight lows between 29° and 50°. The average high for May is 63° with an average low of 39°. 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 Cheyenne. See also: June | July | August.
