S
M
T
W
T
F
S
26
100°
77°
27
102°
74°
28
102°
76°
29
101°
78°
30
101°
80°
31
105°
81°
1
100°
71°
2
99°
72°
3
103°
80°
4
103°
82°
5
103°
80°
6
101°
79°
7
102°
80°
8
100°
80°
9
103°
79°
10
102°
78°
11
101°
79°
12
102°
78°
13
101°
79°
14
96°
75°
15
99°
78°
16
97°
76°
17
99°
78°
18
98°
77°
19
98°
78°
20
97°
79°
21
99°
78°
22
98°
78°
23
98°
77°
24
97°
78°
25
98°
78°
26
98°
77°
27
97°
78°
28
98°
78°
29
97°
77°
30
98°
78°
31
98°
76°
1
96°
75°
2
95°
76°
3
96°
76°
4
96°
75°
5
95°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Dallas
Lake Dallas's August 2026 forecast shows daily high temperatures ranging from 95° to 103°, with overnight lows between 71° and 82°. The average high for August is 99° 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 August weather will actually feel in Lake Dallas. See also: September | October | November.
