S
M
T
W
T
F
S
28
95°
71°
29
92°
72°
30
94°
73°
1
95°
72°
2
94°
72°
3
92°
71°
4
92°
73°
5
93°
72°
6
94°
72°
7
93°
74°
8
97°
74°
9
97°
76°
10
98°
78°
11
98°
77°
12
97°
79°
13
97°
77°
14
96°
76°
15
98°
77°
16
97°
78°
17
98°
77°
18
98°
77°
19
97°
74°
20
98°
77°
21
94°
75°
22
94°
77°
23
96°
78°
24
98°
78°
25
99°
79°
26
99°
78°
27
98°
78°
28
99°
77°
29
99°
78°
30
98°
77°
31
98°
78°
1
99°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duncanville
Duncanville's July 2026 forecast shows daily high temperatures ranging from 92° to 99°, with overnight lows between 71° and 79°. The average high for July is 96° with an average low of 76°. 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 Duncanville. See also: August | September | October.
