S
M
T
W
T
F
S
27
84°
54°
28
84°
61°
29
84°
63°
30
84°
68°
1
86°
66°
2
88°
70°
3
81°
75°
4
84°
73°
5
73°
68°
6
77°
68°
7
81°
66°
8
81°
64°
9
75°
70°
10
82°
73°
11
81°
68°
12
86°
64°
13
88°
66°
14
86°
63°
15
88°
66°
16
N/A
17
74°
48°
18
66°
50°
19
70°
50°
20
75°
54°
21
75°
58°
22
70°
56°
23
73°
59°
24
74°
58°
25
73°
58°
26
72°
59°
27
73°
61°
28
74°
59°
29
70°
57°
30
72°
58°
31
68°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Charleston
Charleston's October 2026 forecast shows daily high temperatures ranging from 66° to 75°, with overnight lows between 48° and 63°. The average high for October is 72° with an average low of 57°. 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.
