S
M
T
W
T
F
S
26
98°
76°
27
100°
78°
28
99°
77°
29
101°
78°
30
100°
79°
31
101°
78°
1
100°
77°
2
93°
70°
3
96°
68°
4
99°
70°
5
101°
69°
6
96°
73°
7
95°
75°
8
98°
73°
9
96°
73°
10
96°
77°
11
97°
76°
12
99°
78°
13
99°
79°
14
101°
78°
15
101°
77°
16
102°
78°
17
105°
80°
18
104°
79°
19
101°
80°
20
103°
77°
21
104°
78°
22
105°
73°
23
100°
75°
24
86°
75°
25
98°
77°
26
99°
77°
27
96°
73°
28
92°
71°
29
94°
71°
30
94°
74°
31
95°
73°
1
97°
73°
2
93°
74°
3
94°
71°
4
91°
70°
5
92°
71°
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 86° to 99°, with overnight lows between 70° and 77°. The average high for August is 94° with an average low of 73°. 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.
