S
M
T
W
T
F
S
27
90°
62°
28
90°
61°
29
94°
56°
30
96°
65°
1
95°
72°
2
94°
74°
3
90°
72°
4
85°
70°
5
90°
59°
6
92°
58°
7
91°
58°
8
93°
57°
9
93°
58°
10
72°
54°
11
92°
51°
12
93°
59°
13
95°
57°
14
95°
64°
15
92°
60°
16
73°
42°
17
70°
40°
18
76°
32°
19
76°
42°
20
81°
38°
21
83°
41°
22
85°
42°
23
84°
42°
24
83°
49°
25
80°
47°
26
78°
49°
27
81°
47°
28
83°
48°
29
82°
52°
30
80°
63°
31
77°
61°
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 77° to 82°, with overnight lows between 52° and 63°. The average high for October is 80° with an average low of 59°. 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.
