S
M
T
W
T
F
S
26
84°
67°
27
87°
68°
28
88°
68°
29
89°
67°
30
89°
68°
31
88°
67°
1
88°
68°
2
90°
69°
3
90°
69°
4
90°
68°
5
90°
68°
6
91°
67°
7
91°
68°
8
90°
67°
9
84°
62°
10
84°
64°
11
88°
67°
12
89°
67°
13
90°
68°
14
90°
67°
15
89°
67°
16
87°
66°
17
89°
60°
18
87°
59°
19
87°
59°
20
89°
62°
21
90°
64°
22
89°
63°
23
89°
64°
24
84°
62°
25
83°
60°
26
82°
61°
27
82°
58°
28
81°
59°
29
82°
57°
30
82°
59°
31
86°
61°
1
87°
61°
2
87°
60°
3
86°
61°
4
85°
54°
5
81°
59°
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 81° to 91°, with overnight lows between 54° and 69°. The average high for August is 87° with an average low of 64°. 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.
