S
M
T
W
T
F
S
27
95°
68°
28
93°
68°
29
93°
75°
30
88°
70°
1
77°
68°
2
79°
66°
3
70°
64°
4
82°
64°
5
84°
61°
6
86°
57°
7
90°
59°
8
86°
59°
9
90°
59°
10
90°
61°
11
90°
61°
12
90°
66°
13
90°
73°
14
82°
66°
15
72°
57°
16
61°
48°
17
63°
39°
18
68°
41°
19
73°
46°
20
77°
50°
21
81°
54°
22
81°
55°
23
81°
55°
24
82°
54°
25
79°
57°
26
77°
54°
27
79°
55°
28
81°
59°
29
81°
61°
30
70°
60°
31
66°
59°
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 66° to 70°, with overnight lows between 59° and 60°. The average high for October is 68° with an average low of 60°. 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.
