S
M
T
W
T
F
S
26
88°
71°
27
89°
75°
28
91°
72°
29
87°
73°
30
87°
67°
31
89°
61°
1
87°
70°
2
87°
68°
3
83°
66°
4
84°
68°
5
83°
69°
6
86°
67°
7
85°
68°
8
89°
68°
9
89°
69°
10
90°
69°
11
90°
70°
12
91°
68°
13
95°
74°
14
96°
74°
15
97°
74°
16
96°
73°
17
98°
70°
18
90°
70°
19
91°
66°
20
93°
69°
21
91°
68°
22
91°
69°
23
89°
67°
24
90°
62°
25
91°
63°
26
92°
66°
27
84°
71°
28
93°
70°
29
88°
66°
30
90°
70°
31
91°
69°
1
94°
68°
2
96°
69°
3
96°
73°
4
94°
72°
5
99°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dallas
Dallas's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Dallas. See also: September | October | November.
