S
M
T
W
T
F
S
26
96°
77°
27
96°
78°
28
97°
77°
29
97°
78°
30
98°
78°
31
97°
77°
1
97°
78°
2
98°
79°
3
98°
79°
4
99°
78°
5
99°
79°
6
98°
79°
7
98°
78°
8
97°
79°
9
98°
79°
10
96°
76°
11
97°
76°
12
96°
74°
13
95°
75°
14
97°
76°
15
96°
75°
16
96°
76°
17
95°
76°
18
97°
70°
19
97°
70°
20
89°
69°
21
90°
68°
22
90°
70°
23
91°
70°
24
91°
71°
25
92°
70°
26
92°
69°
27
93°
70°
28
94°
69°
29
90°
71°
30
93°
70°
31
95°
71°
1
95°
73°
2
94°
71°
3
92°
71°
4
87°
72°
5
91°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rockwall
Rockwall's August 2026 forecast shows daily high temperatures ranging from 87° to 99°, with overnight lows between 68° and 79°. The average high for August is 95° with an average low of 74°. 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.
