S
M
T
W
T
F
S
26
98°
79°
27
99°
76°
28
85°
74°
29
87°
70°
30
86°
67°
31
87°
70°
1
70°
64°
2
83°
61°
3
84°
62°
4
87°
64°
5
86°
69°
6
87°
70°
7
88°
71°
8
91°
70°
9
88°
69°
10
93°
69°
11
92°
71°
12
90°
71°
13
91°
72°
14
88°
67°
15
84°
66°
16
86°
71°
17
93°
74°
18
92°
73°
19
93°
74°
20
93°
72°
21
91°
72°
22
92°
71°
23
92°
72°
24
91°
72°
25
91°
71°
26
90°
71°
27
90°
70°
28
91°
71°
29
91°
69°
30
90°
70°
31
90°
70°
1
89°
69°
2
90°
70°
3
90°
69°
4
89°
68°
5
89°
69°
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 70° to 93°, with overnight lows between 61° and 74°. The average high for August is 89° with an average low of 70°. 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.
