S
M
T
W
T
F
S
27
76°
49°
28
70°
54°
29
69°
49°
30
68°
46°
1
67°
42°
2
78°
52°
3
76°
42°
4
73°
47°
5
81°
57°
6
76°
48°
7
75°
49°
8
79°
48°
9
77°
47°
10
72°
44°
11
67°
38°
12
66°
39°
13
71°
42°
14
60°
34°
15
66°
40°
16
64°
39°
17
64°
36°
18
54°
31°
19
62°
31°
20
62°
32°
21
61°
35°
22
62°
36°
23
62°
38°
24
61°
36°
25
50°
29°
26
58°
33°
27
61°
36°
28
49°
32°
29
59°
36°
30
60°
35°
31
59°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cheyenne
Cheyenne's October 2026 forecast shows daily high temperatures ranging from 49° to 81°, with overnight lows between 29° and 57°. The average high for October is 66° 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 October weather will actually feel in Cheyenne. See also: November | December | January.