S
M
T
W
T
F
S
27
85°
62°
28
86°
62°
29
84°
61°
30
84°
61°
1
83°
52°
2
78°
50°
3
74°
50°
4
74°
53°
5
75°
56°
6
80°
55°
7
82°
51°
8
72°
57°
9
74°
58°
10
80°
56°
11
81°
51°
12
73°
47°
13
74°
48°
14
73°
47°
15
74°
48°
16
75°
52°
17
74°
53°
18
78°
54°
19
78°
53°
20
77°
53°
21
78°
52°
22
78°
53°
23
77°
54°
24
78°
54°
25
79°
51°
26
77°
45°
27
70°
48°
28
67°
50°
29
68°
51°
30
74°
41°
31
67°
40°
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 67° to 86°, with overnight lows between 40° and 62°. The average high for October is 77° with an average low of 52°. 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.
