S
M
T
W
T
F
S
26
59°
45°
27
66°
45°
28
53°
38°
29
59°
36°
30
60°
43°
1
65°
36°
2
68°
35°
3
85°
46°
4
83°
46°
5
55°
44°
6
55°
42°
7
79°
38°
8
76°
50°
9
80°
48°
10
71°
48°
11
80°
43°
12
84°
58°
13
83°
47°
14
92°
60°
15
91°
59°
16
95°
60°
17
100°
63°
18
73°
49°
19
67°
41°
20
66°
41°
21
62°
51°
22
71°
53°
23
77°
45°
24
90°
54°
25
93°
63°
26
88°
59°
27
82°
58°
28
69°
63°
29
82°
65°
30
90°
64°
31
90°
65°
1
93°
66°
2
83°
64°
3
82°
62°
4
84°
64°
5
86°
63°
6
88°
62°
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 82° to 93°, with overnight lows between 62° and 66°. The average high for May is 86° with an average low of 64°. 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.
