S
M
T
W
T
F
S
28
96°
80°
29
97°
82°
30
95°
79°
1
96°
79°
2
96°
81°
3
98°
80°
4
101°
82°
5
97°
78°
6
100°
79°
7
101°
81°
8
101°
81°
9
101°
84°
10
99°
82°
11
99°
79°
12
99°
76°
13
90°
73°
14
90°
75°
15
91°
76°
16
94°
77°
17
97°
78°
18
97°
79°
19
102°
80°
20
102°
82°
21
101°
80°
22
100°
78°
23
99°
80°
24
98°
77°
25
99°
81°
26
100°
82°
27
101°
81°
28
100°
80°
29
101°
82°
30
101°
81°
31
100°
81°
1
101°
80°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dallas
Dallas's July 2026 forecast shows daily high temperatures ranging from 90° to 102°, with overnight lows between 73° and 82°. The average high for July is 98° with an average low of 79°. 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 Dallas. See also: August | September | October.