S
M
T
W
T
F
S
26
90°
66°
27
92°
67°
28
90°
67°
29
88°
66°
30
91°
67°
31
92°
68°
1
93°
67°
2
92°
68°
3
93°
67°
4
92°
67°
5
93°
66°
6
87°
65°
7
89°
61°
8
88°
62°
9
87°
61°
10
88°
61°
11
91°
66°
12
92°
66°
13
93°
65°
14
93°
61°
15
90°
61°
16
87°
65°
17
86°
65°
18
89°
60°
19
89°
60°
20
86°
59°
21
87°
59°
22
87°
60°
23
88°
58°
24
87°
58°
25
88°
60°
26
90°
63°
27
91°
64°
28
90°
65°
29
92°
65°
30
90°
63°
31
90°
57°
1
85°
55°
2
83°
56°
3
84°
57°
4
85°
57°
5
86°
56°
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 83° to 93°, with overnight lows between 55° and 68°. The average high for August is 89° with an average low of 63°. 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.
