S
M
T
W
T
F
S
27
61°
36°
28
59°
34°
29
61°
31°
30
53°
27°
1
52°
25°
2
63°
35°
3
57°
28°
4
55°
29°
5
51°
25°
6
50°
23°
7
48°
21°
8
48°
21°
9
50°
25°
10
56°
26°
11
60°
34°
12
53°
31°
13
51°
25°
14
47°
22°
15
46°
21°
16
44°
19°
17
46°
20°
18
49°
25°
19
45°
18°
20
42°
17°
21
43°
18°
22
44°
19°
23
42°
17°
24
41°
17°
25
41°
22°
26
42°
22°
27
41°
27°
28
41°
24°
29
40°
17°
30
50°
21°
31
53°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Butte
Butte's October 2026 forecast shows daily high temperatures ranging from 40° to 63°, with overnight lows between 17° and 36°. The average high for October is 49° 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 Butte. See also: November | December | January.