S
M
T
W
T
F
S
26
96°
70°
27
92°
73°
28
93°
75°
29
91°
73°
30
93°
76°
31
92°
77°
1
96°
76°
2
97°
77°
3
97°
73°
4
99°
76°
5
99°
78°
6
98°
76°
7
99°
77°
8
99°
77°
9
Hist. Avg.
98°
75°
10
Hist. Avg.
98°
75°
11
Hist. Avg.
98°
74°
12
Hist. Avg.
98°
74°
13
Hist. Avg.
98°
74°
14
Hist. Avg.
98°
74°
15
Hist. Avg.
98°
74°
16
Hist. Avg.
98°
74°
17
Hist. Avg.
97°
74°
18
Hist. Avg.
97°
74°
19
Hist. Avg.
97°
73°
20
Hist. Avg.
97°
73°
21
Hist. Avg.
97°
73°
22
Hist. Avg.
96°
73°
23
Hist. Avg.
96°
73°
24
Hist. Avg.
96°
72°
25
Hist. Avg.
96°
72°
26
Hist. Avg.
95°
72°
27
Hist. Avg.
95°
72°
28
Hist. Avg.
95°
71°
29
Hist. Avg.
94°
71°
30
Hist. Avg.
94°
71°
31
Hist. Avg.
94°
70°
1
Hist. Avg.
93°
70°
2
Hist. Avg.
93°
70°
3
Hist. Avg.
93°
70°
4
Hist. Avg.
92°
69°
5
Hist. Avg.
92°
69°
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 91° to 99°, with overnight lows between 70° 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 Rockwall. See also: September | October | November.
