S
M
T
W
T
F
S
28
89°
70°
29
86°
72°
30
88°
72°
1
86°
71°
2
87°
72°
3
87°
73°
4
89°
73°
5
86°
72°
6
86°
73°
7
87°
73°
8
87°
72°
9
85°
73°
10
86°
72°
11
88°
73°
12
90°
74°
13
90°
74°
14
91°
73°
15
89°
73°
16
87°
72°
17
87°
73°
18
88°
73°
19
87°
72°
20
84°
71°
21
86°
71°
22
87°
69°
23
87°
70°
24
88°
72°
25
87°
72°
26
87°
73°
27
89°
69°
28
89°
69°
29
91°
68°
30
90°
69°
31
93°
73°
1
94°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duncan
Duncan's July 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 68° and 74°. The average high for July is 88° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Duncan. See also: August | September | October.
