S
M
T
W
T
F
S
28
91°
73°
29
96°
74°
30
95°
73°
1
96°
74°
2
97°
74°
3
97°
71°
4
96°
68°
5
88°
68°
6
88°
69°
7
92°
68°
8
89°
71°
9
90°
74°
10
94°
72°
11
95°
71°
12
99°
75°
13
99°
75°
14
100°
74°
15
98°
75°
16
96°
74°
17
96°
74°
18
97°
66°
19
92°
73°
20
91°
74°
21
98°
75°
22
98°
70°
23
90°
68°
24
92°
68°
25
Hist. Avg.
94°
72°
26
Hist. Avg.
94°
72°
27
Hist. Avg.
94°
72°
28
Hist. Avg.
94°
72°
29
Hist. Avg.
94°
72°
30
Hist. Avg.
94°
72°
31
Hist. Avg.
94°
72°
1
Hist. Avg.
94°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Duncan
Duncan's July 2026 forecast shows daily high temperatures ranging from 88° to 100°, with overnight lows between 66° and 75°. The average high for July is 94° 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.
