S
M
T
W
T
F
S
27
79°
59°
28
77°
58°
29
80°
57°
30
79°
57°
1
78°
55°
2
78°
53°
3
77°
56°
4
79°
56°
5
78°
55°
6
77°
56°
7
78°
55°
8
77°
55°
9
77°
54°
10
76°
53°
11
77°
54°
12
73°
47°
13
72°
49°
14
65°
50°
15
63°
51°
16
66°
50°
17
71°
51°
18
67°
49°
19
66°
46°
20
65°
49°
21
62°
49°
22
64°
48°
23
66°
49°
24
64°
50°
25
70°
50°
26
71°
46°
27
71°
36°
28
69°
34°
29
57°
39°
30
60°
40°
31
64°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Charleston
Charleston's October 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 34° and 59°. The average high for October is 71° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Charleston. See also: November | December | January.
