S
M
T
W
T
F
S
26
86°
69°
27
87°
72°
28
92°
70°
29
91°
71°
30
92°
72°
31
90°
74°
1
91°
73°
2
93°
73°
3
94°
72°
4
94°
72°
5
93°
71°
6
94°
72°
7
94°
72°
8
93°
71°
9
93°
70°
10
92°
66°
11
85°
65°
12
83°
65°
13
84°
66°
14
84°
65°
15
85°
67°
16
86°
70°
17
90°
71°
18
93°
70°
19
93°
69°
20
92°
70°
21
91°
67°
22
84°
69°
23
91°
68°
24
83°
64°
25
82°
65°
26
Hist. Avg.
86°
65°
27
Hist. Avg.
86°
65°
28
Hist. Avg.
86°
65°
29
Hist. Avg.
86°
64°
30
Hist. Avg.
85°
64°
31
Hist. Avg.
85°
64°
1
Hist. Avg.
85°
64°
2
Hist. Avg.
85°
63°
3
Hist. Avg.
84°
63°
4
Hist. Avg.
84°
63°
5
Hist. Avg.
84°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Columbia
Columbia's August 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 64° and 74°. The average high for August is 90° with an average low of 69°. 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.
