S
M
T
W
T
F
S
28
68°
48°
29
69°
44°
30
75°
41°
1
85°
42°
2
87°
55°
3
89°
48°
4
94°
48°
5
97°
55°
6
95°
60°
7
94°
55°
8
95°
56°
9
92°
62°
10
98°
51°
11
101°
57°
12
100°
56°
13
98°
59°
14
91°
60°
15
89°
57°
16
86°
55°
17
87°
57°
18
84°
59°
19
90°
55°
20
93°
59°
21
92°
57°
22
91°
58°
23
90°
57°
24
92°
56°
25
90°
56°
26
102°
58°
27
86°
48°
28
90°
54°
29
92°
55°
30
89°
55°
31
85°
53°
1
85°
48°
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 84° to 102°, with overnight lows between 48° and 60°. The average high for July is 90° with an average low of 56°. 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.
