S
M
T
W
T
F
S
28
95°
79°
29
97°
77°
30
90°
77°
1
86°
73°
2
88°
72°
3
90°
72°
4
91°
72°
5
93°
77°
6
93°
82°
7
91°
81°
8
95°
81°
9
95°
77°
10
93°
79°
11
96°
79°
12
94°
75°
13
86°
75°
14
85°
73°
15
86°
77°
16
91°
78°
17
90°
77°
18
91°
78°
19
92°
78°
20
91°
76°
21
89°
77°
22
88°
77°
23
89°
78°
24
90°
80°
25
89°
77°
26
86°
75°
27
85°
76°
28
86°
78°
29
87°
78°
30
88°
80°
31
89°
79°
1
86°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Charleston
Charleston's July 2026 forecast shows daily high temperatures ranging from 85° to 96°, with overnight lows between 73° and 80°. The average high for July is 89° with an average low of 77°. 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.
