S
M
T
W
T
F
S
26
97°
77°
27
98°
78°
28
98°
78°
29
97°
79°
30
98°
78°
31
101°
80°
1
95°
77°
2
93°
71°
3
98°
70°
4
98°
75°
5
99°
76°
6
99°
78°
7
99°
78°
8
99°
77°
9
99°
74°
10
97°
76°
11
N/A
12
100°
78°
13
100°
78°
14
100°
79°
15
101°
79°
16
102°
77°
17
104°
78°
18
103°
79°
19
102°
78°
20
102°
80°
21
103°
79°
22
102°
80°
23
101°
79°
24
99°
78°
25
93°
72°
26
97°
77°
27
96°
76°
28
95°
76°
29
94°
75°
30
95°
76°
31
95°
76°
1
94°
75°
2
95°
76°
3
95°
76°
4
94°
75°
5
95°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Rockwall
Rockwall's August 2026 forecast shows daily high temperatures ranging from 93° to 104°, with overnight lows between 72° and 80°. The average high for August is 98° 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 Rockwall. See also: September | October | November.
