S
M
T
W
T
F
S
27
57°
26°
28
63°
25°
29
65°
33°
30
65°
36°
1
60°
34°
2
67°
36°
3
69°
33°
4
70°
35°
5
74°
34°
6
74°
32°
7
71°
32°
8
71°
34°
9
71°
40°
10
51°
35°
11
48°
24°
12
50°
24°
13
55°
32°
14
52°
32°
15
60°
34°
16
56°
36°
17
57°
35°
18
56°
35°
19
54°
34°
20
54°
35°
21
43°
21°
22
56°
32°
23
55°
31°
24
54°
30°
25
54°
30°
26
53°
28°
27
53°
28°
28
52°
27°
29
46°
27°
30
52°
31°
31
50°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Columbia Falls
Columbia Falls's October 2026 forecast shows daily high temperatures ranging from 43° to 71°, with overnight lows between 21° and 40°. The average high for October is 54° with an average low of 31°. 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 Columbia Falls. See also: November | December | January.
