S
M
T
W
T
F
S
27
82°
51°
28
83°
53°
29
87°
57°
30
89°
60°
1
90°
60°
2
92°
65°
3
87°
73°
4
74°
64°
5
75°
61°
6
79°
55°
7
80°
51°
8
83°
58°
9
82°
61°
10
80°
65°
11
78°
63°
12
81°
62°
13
85°
61°
14
83°
60°
15
80°
56°
16
79°
55°
17
78°
54°
18
79°
53°
19
74°
53°
20
74°
57°
21
78°
58°
22
78°
58°
23
77°
57°
24
79°
53°
25
74°
48°
26
70°
53°
27
76°
48°
28
68°
45°
29
69°
46°
30
74°
54°
31
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Columbia
Columbia's October 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 45° and 65°. The average high for October is 77° with an average low of 55°. 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. See also: November | December | January.