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