S
M
T
W
T
F
S
27
58°
23°
28
57°
25°
29
57°
24°
30
Hist. Avg.
60°
27°
1
Hist. Avg.
60°
26°
2
Hist. Avg.
59°
26°
3
Hist. Avg.
58°
26°
4
Hist. Avg.
58°
26°
5
Hist. Avg.
57°
25°
6
Hist. Avg.
56°
25°
7
Hist. Avg.
56°
25°
8
Hist. Avg.
55°
24°
9
Hist. Avg.
55°
24°
10
Hist. Avg.
54°
24°
11
Hist. Avg.
54°
23°
12
Hist. Avg.
53°
23°
13
Hist. Avg.
52°
23°
14
Hist. Avg.
52°
22°
15
Hist. Avg.
51°
22°
16
Hist. Avg.
50°
22°
17
Hist. Avg.
50°
21°
18
Hist. Avg.
49°
21°
19
Hist. Avg.
49°
20°
20
Hist. Avg.
48°
20°
21
Hist. Avg.
48°
20°
22
Hist. Avg.
47°
19°
23
Hist. Avg.
47°
19°
24
Hist. Avg.
46°
18°
25
Hist. Avg.
46°
18°
26
Hist. Avg.
45°
18°
27
Hist. Avg.
45°
17°
28
Hist. Avg.
44°
17°
29
Hist. Avg.
44°
17°
30
Hist. Avg.
43°
16°
31
Hist. Avg.
43°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in West Yellowstone
West Yellowstone's October 2026 forecast shows daily high temperatures ranging from 57° to 58°, with overnight lows between 23° and 25°. The average high for October is 57° with an average low of 24°. 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 West Yellowstone. See also: November | December | January.
