S
M
T
W
T
F
S
28
87°
74°
29
86°
75°
30
84°
75°
1
85°
76°
2
85°
75°
3
86°
74°
4
84°
74°
5
84°
75°
6
85°
74°
7
85°
74°
8
86°
76°
9
87°
75°
10
88°
79°
11
90°
78°
12
89°
77°
13
87°
76°
14
86°
76°
15
87°
77°
16
92°
74°
17
89°
78°
18
Hist. Avg.
88°
77°
19
Hist. Avg.
88°
77°
20
Hist. Avg.
88°
77°
21
Hist. Avg.
88°
77°
22
Hist. Avg.
88°
77°
23
Hist. Avg.
88°
77°
24
Hist. Avg.
88°
77°
25
Hist. Avg.
88°
77°
26
Hist. Avg.
88°
77°
27
Hist. Avg.
88°
77°
28
Hist. Avg.
88°
77°
29
Hist. Avg.
88°
77°
30
Hist. Avg.
88°
77°
31
Hist. Avg.
88°
77°
1
Hist. Avg.
88°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Charleston
Charleston's July 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 74° and 79°. The average high for July is 87° with an average low of 76°. 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. See also: August | September | October.
