S
M
T
W
T
F
S
26
93°
74°
27
92°
72°
28
91°
73°
29
90°
72°
30
92°
76°
31
93°
75°
1
93°
73°
2
92°
76°
3
93°
77°
4
93°
76°
5
92°
76°
6
93°
75°
7
93°
76°
8
92°
75°
9
92°
76°
10
93°
76°
11
93°
77°
12
92°
76°
13
92°
72°
14
91°
71°
15
88°
71°
16
89°
74°
17
88°
73°
18
90°
72°
19
91°
72°
20
89°
73°
21
88°
71°
22
90°
70°
23
Hist. Avg.
89°
73°
24
Hist. Avg.
89°
72°
25
Hist. Avg.
89°
72°
26
Hist. Avg.
89°
72°
27
Hist. Avg.
89°
72°
28
Hist. Avg.
88°
72°
29
Hist. Avg.
88°
72°
30
Hist. Avg.
88°
72°
31
Hist. Avg.
88°
72°
1
Hist. Avg.
88°
72°
2
Hist. Avg.
88°
71°
3
Hist. Avg.
88°
71°
4
Hist. Avg.
88°
71°
5
Hist. Avg.
87°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Charleston Afb
Charleston Afb's August 2026 forecast shows daily high temperatures ranging from 88° to 93°, with overnight lows between 70° and 77°. The average high for August is 91° with an average low of 74°. 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 Charleston Afb. See also: September | October | November.
