S
M
T
W
T
F
S
26
85°
69°
27
85°
70°
28
86°
69°
29
87°
70°
30
87°
69°
31
88°
65°
1
85°
66°
2
85°
70°
3
91°
69°
4
88°
68°
5
90°
69°
6
91°
70°
7
91°
70°
8
90°
69°
9
90°
68°
10
86°
64°
11
88°
68°
12
90°
68°
13
91°
67°
14
88°
68°
15
91°
67°
16
91°
68°
17
90°
67°
18
89°
61°
19
88°
60°
20
84°
60°
21
84°
61°
22
85°
61°
23
85°
62°
24
86°
61°
25
86°
61°
26
87°
60°
27
89°
61°
28
88°
60°
29
85°
60°
30
85°
61°
31
87°
60°
1
89°
62°
2
90°
63°
3
86°
65°
4
89°
64°
5
89°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Columbia
Columbia's August 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 60° and 70°. The average high for August is 88° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Columbia. See also: September | October | November.
