S
M
T
W
T
F
S
28
69°
46°
29
67°
44°
30
67°
44°
1
68°
46°
2
69°
45°
3
71°
45°
4
72°
46°
5
69°
44°
6
69°
47°
7
70°
47°
8
77°
48°
9
78°
47°
10
77°
50°
11
77°
55°
12
78°
57°
13
80°
56°
14
79°
51°
15
78°
53°
16
78°
55°
17
79°
57°
18
80°
57°
19
81°
50°
20
78°
48°
21
71°
52°
22
71°
53°
23
69°
49°
24
72°
56°
25
79°
56°
26
81°
49°
27
80°
49°
28
79°
48°
29
74°
47°
30
73°
48°
31
72°
47°
1
71°
48°
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 67° to 81°, with overnight lows between 44° and 57°. The average high for July is 74° with an average low of 50°. 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.
