S
M
T
W
T
F
S
26
97°
74°
27
95°
73°
28
96°
74°
29
98°
73°
30
99°
73°
31
95°
74°
1
96°
76°
2
99°
77°
3
97°
78°
4
97°
77°
5
96°
73°
6
95°
78°
7
96°
78°
8
99°
77°
9
98°
78°
10
98°
77°
11
94°
78°
12
99°
78°
13
99°
77°
14
100°
78°
15
100°
78°
16
98°
76°
17
98°
76°
18
97°
77°
19
99°
76°
20
98°
76°
21
98°
75°
22
97°
76°
23
98°
76°
24
98°
75°
25
97°
76°
26
98°
75°
27
97°
70°
28
98°
74°
29
96°
73°
30
96°
69°
31
89°
69°
1
87°
70°
2
88°
72°
3
89°
71°
4
92°
73°
5
94°
72°
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 87° to 100°, with overnight lows between 69° and 78°. The average high for August is 96° with an average low of 75°. 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.
