S
M
T
W
T
F
S
27
83°
61°
28
79°
58°
29
82°
59°
30
83°
60°
1
82°
60°
2
82°
59°
3
76°
53°
4
82°
54°
5
74°
53°
6
73°
57°
7
75°
58°
8
76°
57°
9
79°
56°
10
80°
56°
11
80°
57°
12
79°
57°
13
80°
55°
14
79°
54°
15
72°
52°
16
71°
48°
17
71°
50°
18
72°
52°
19
71°
52°
20
70°
53°
21
75°
53°
22
76°
52°
23
77°
53°
24
76°
51°
25
75°
49°
26
72°
45°
27
68°
43°
28
68°
45°
29
67°
43°
30
Hist. Avg.
71°
46°
31
Hist. Avg.
70°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Sumter
Sumter's October 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 43° and 61°. The average high for October is 76° with an average low of 53°. 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.
