S
M
T
W
T
F
S
27
61°
46°
28
62°
46°
29
60°
47°
30
60°
44°
1
61°
46°
2
59°
43°
3
59°
42°
4
58°
46°
5
59°
46°
6
60°
45°
7
60°
46°
8
64°
46°
9
61°
45°
10
60°
45°
11
59°
41°
12
55°
38°
13
56°
37°
14
55°
37°
15
54°
38°
16
56°
40°
17
55°
38°
18
56°
43°
19
54°
42°
20
55°
43°
21
56°
41°
22
57°
43°
23
54°
43°
24
54°
42°
25
55°
41°
26
49°
38°
27
50°
39°
28
50°
33°
29
53°
34°
30
53°
38°
31
51°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Duncan
Duncan's October 2026 forecast shows daily high temperatures ranging from 49° to 64°, with overnight lows between 33° and 47°. The average high for October is 57° with an average low of 42°. 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 Duncan. See also: November | December | January.
