S
M
T
W
T
F
S
28
82°
67°
29
88°
62°
30
90°
64°
1
96°
69°
2
102°
77°
3
102°
73°
4
100°
72°
5
90°
72°
6
78°
68°
7
74°
66°
8
85°
67°
9
81°
67°
10
87°
72°
11
84°
69°
12
85°
64°
13
85°
62°
14
93°
75°
15
101°
74°
16
95°
72°
17
90°
72°
18
84°
73°
19
85°
69°
20
85°
66°
21
84°
66°
22
81°
64°
23
80°
62°
24
82°
65°
25
82°
67°
26
84°
66°
27
82°
64°
28
83°
69°
29
85°
65°
30
81°
66°
31
81°
66°
1
82°
67°
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 80° to 101°, with overnight lows between 62° and 75°. The average high for July is 85° with an average low of 68°. 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.
