S
M
T
W
T
F
S
27
82°
46°
28
84°
48°
29
86°
54°
30
88°
55°
1
90°
55°
2
91°
63°
3
88°
70°
4
73°
64°
5
72°
57°
6
79°
55°
7
79°
52°
8
81°
50°
9
75°
57°
10
73°
64°
11
77°
64°
12
86°
63°
13
86°
57°
14
90°
57°
15
90°
61°
16
88°
64°
17
72°
45°
18
66°
45°
19
68°
43°
20
77°
37°
21
75°
41°
22
75°
37°
23
72°
37°
24
72°
50°
25
73°
52°
26
73°
45°
27
77°
37°
28
79°
41°
29
79°
55°
30
82°
48°
31
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sumter
Sumter's October 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October is ° with an average low of °. 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 Sumter. See also: November | December | January.
