S
M
T
W
T
F
S
28
96°
76°
29
96°
77°
30
95°
77°
1
96°
76°
2
97°
78°
3
97°
77°
4
98°
78°
5
96°
74°
6
90°
76°
7
93°
77°
8
95°
77°
9
96°
78°
10
97°
78°
11
97°
77°
12
98°
78°
13
98°
79°
14
97°
79°
15
98°
78°
16
98°
79°
17
97°
79°
18
99°
78°
19
99°
80°
20
98°
79°
21
100°
78°
22
96°
78°
23
99°
73°
24
100°
72°
25
93°
73°
26
93°
73°
27
94°
74°
28
94°
74°
29
96°
75°
30
95°
74°
31
95°
74°
1
96°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Southwest Dallas
Southwest Dallas's July 2026 forecast shows daily high temperatures ranging from 90° to 100°, with overnight lows between 72° and 80°. The average high for July is 96° with an average low of 77°. 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 Southwest Dallas. See also: August | September | October.
