S
M
T
W
T
F
S
27
83°
63°
28
82°
62°
29
82°
62°
30
81°
61°
1
83°
62°
2
83°
62°
3
84°
61°
4
84°
63°
5
83°
62°
6
83°
62°
7
82°
61°
8
79°
61°
9
72°
53°
10
76°
57°
11
77°
57°
12
71°
47°
13
70°
54°
14
68°
51°
15
73°
53°
16
78°
54°
17
77°
54°
18
75°
53°
19
76°
52°
20
76°
52°
21
75°
53°
22
76°
54°
23
77°
54°
24
78°
53°
25
78°
55°
26
76°
54°
27
75°
51°
28
77°
41°
29
70°
39°
30
62°
39°
31
62°
40°
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 62° to 84°, with overnight lows between 39° and 63°. The average high for October is 77° with an average low of 55°. 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.
