S
M
T
W
T
F
S
27
76°
50°
28
N/A
29
82°
49°
30
88°
64°
1
90°
60°
2
66°
46°
3
70°
46°
4
74°
49°
5
70°
45°
6
72°
48°
7
79°
51°
8
81°
50°
9
77°
51°
10
73°
51°
11
72°
46°
12
71°
46°
13
71°
45°
14
70°
46°
15
63°
45°
16
73°
52°
17
74°
52°
18
73°
51°
19
66°
48°
20
61°
44°
21
59°
39°
22
60°
43°
23
70°
50°
24
71°
49°
25
70°
49°
26
69°
43°
27
61°
41°
28
64°
45°
29
65°
42°
30
64°
43°
31
67°
47°
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 59° to 90°, with overnight lows between 39° and 60°. The average high for October is 70° with an average low of 47°. 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.
