S
M
T
W
T
F
S
27
62°
45°
28
68°
32°
29
61°
31°
30
59°
33°
1
60°
35°
2
70°
37°
3
70°
41°
4
69°
37°
5
71°
41°
6
71°
37°
7
69°
40°
8
70°
42°
9
69°
44°
10
68°
41°
11
67°
31°
12
54°
29°
13
52°
28°
14
51°
26°
15
Hist. Avg.
58°
32°
16
Hist. Avg.
58°
32°
17
Hist. Avg.
57°
32°
18
Hist. Avg.
57°
32°
19
Hist. Avg.
56°
32°
20
Hist. Avg.
56°
31°
21
Hist. Avg.
55°
31°
22
Hist. Avg.
55°
31°
23
Hist. Avg.
54°
31°
24
Hist. Avg.
54°
30°
25
Hist. Avg.
53°
30°
26
Hist. Avg.
52°
30°
27
Hist. Avg.
52°
30°
28
Hist. Avg.
52°
30°
29
Hist. Avg.
51°
29°
30
Hist. Avg.
50°
29°
31
Hist. Avg.
50°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Missoula
Missoula's October 2026 forecast shows daily high temperatures ranging from 51° to 71°, with overnight lows between 26° and 45°. The average high for October is 65° with an average low of 36°. 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 Missoula. See also: November | December | January.
