S
M
T
W
T
F
S
27
88°
65°
28
89°
60°
29
81°
66°
30
90°
56°
1
88°
57°
2
74°
59°
3
73°
59°
4
74°
55°
5
74°
53°
6
78°
50°
7
79°
57°
8
79°
51°
9
73°
54°
10
76°
48°
11
73°
47°
12
72°
57°
13
74°
59°
14
83°
57°
15
81°
58°
16
84°
56°
17
81°
53°
18
79°
49°
19
76°
54°
20
78°
56°
21
79°
56°
22
77°
52°
23
81°
42°
24
71°
49°
25
69°
50°
26
72°
43°
27
66°
39°
28
63°
37°
29
63°
39°
30
64°
42°
31
64°
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 63° to 90°, with overnight lows between 37° and 66°. The average high for October is 76° with an average low of 52°. 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.
