S
M
T
W
T
F
S
26
92°
67°
27
93°
66°
28
86°
63°
29
90°
62°
30
89°
70°
31
74°
65°
1
86°
62°
2
85°
64°
3
87°
61°
4
77°
59°
5
80°
56°
6
82°
53°
7
81°
60°
8
83°
54°
9
79°
63°
10
85°
63°
11
86°
66°
12
88°
62°
13
83°
67°
14
84°
65°
15
82°
69°
16
80°
59°
17
86°
55°
18
84°
58°
19
80°
49°
20
81°
49°
21
81°
60°
22
81°
55°
23
75°
45°
24
81°
47°
25
84°
60°
26
80°
62°
27
79°
52°
28
84°
51°
29
71°
62°
30
79°
64°
31
88°
67°
1
86°
59°
2
85°
64°
3
82°
68°
4
86°
69°
5
82°
67°
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.
