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