S
M
T
W
T
F
S
26
99°
75°
27
99°
75°
28
99°
77°
29
98°
76°
30
100°
77°
31
101°
76°
1
96°
76°
2
100°
74°
3
101°
70°
4
101°
79°
5
100°
76°
6
100°
77°
7
99°
77°
8
99°
73°
9
98°
75°
10
97°
77°
11
99°
79°
12
101°
77°
13
101°
78°
14
97°
77°
15
98°
72°
16
97°
75°
17
99°
74°
18
98°
76°
19
97°
74°
20
99°
75°
21
98°
74°
22
100°
75°
23
96°
71°
24
98°
75°
25
98°
75°
26
97°
74°
27
98°
74°
28
97°
75°
29
97°
75°
30
96°
74°
31
97°
74°
1
97°
73°
2
96°
74°
3
96°
74°
4
95°
72°
5
95°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Round Rock
Round Rock's August 2026 forecast shows daily high temperatures ranging from 95° to 101°, with overnight lows between 71° and 79°. The average high for August is 98° 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 Round Rock. See also: September | October | November.
