S
M
T
W
T
F
S
27
89°
66°
28
88°
65°
29
87°
64°
30
88°
66°
1
87°
65°
2
86°
65°
3
85°
64°
4
86°
64°
5
86°
63°
6
85°
64°
7
85°
63°
8
84°
63°
9
85°
62°
10
85°
63°
11
84°
62°
12
82°
59°
13
81°
59°
14
82°
57°
15
83°
58°
16
84°
60°
17
83°
53°
18
81°
52°
19
73°
51°
20
71°
48°
21
70°
51°
22
69°
52°
23
71°
50°
24
71°
57°
25
79°
56°
26
76°
45°
27
77°
44°
28
67°
45°
29
68°
49°
30
68°
45°
31
69°
43°
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 67° to 89°, with overnight lows between 43° and 66°. The average high for October is 80° with an average low of 57°. 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.