S
M
T
W
T
F
S
28
89°
71°
29
90°
74°
30
91°
74°
1
91°
76°
2
93°
74°
3
93°
75°
4
90°
70°
5
83°
69°
6
83°
67°
7
85°
69°
8
87°
66°
9
89°
70°
10
86°
69°
11
80°
70°
12
85°
67°
13
86°
65°
14
90°
66°
15
93°
69°
16
91°
71°
17
90°
74°
18
91°
73°
19
85°
70°
20
85°
66°
21
89°
66°
22
76°
62°
23
77°
55°
24
79°
58°
25
73°
64°
26
82°
66°
27
92°
72°
28
82°
64°
29
82°
58°
30
83°
61°
31
80°
65°
1
73°
68°
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 ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. 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.
