S
M
T
W
T
F
S
26
92°
72°
27
93°
73°
28
93°
73°
29
96°
74°
30
94°
73°
31
93°
73°
1
92°
74°
2
93°
73°
3
94°
74°
4
97°
74°
5
98°
75°
6
94°
73°
7
94°
73°
8
93°
74°
9
94°
73°
10
94°
74°
11
96°
73°
12
95°
74°
13
94°
73°
14
97°
72°
15
95°
72°
16
95°
74°
17
96°
75°
18
95°
75°
19
96°
76°
20
93°
76°
21
93°
74°
22
94°
72°
23
93°
73°
24
96°
75°
25
96°
73°
26
95°
74°
27
92°
76°
28
93°
76°
29
92°
73°
30
94°
72°
31
95°
73°
1
93°
72°
2
92°
73°
3
93°
72°
4
93°
72°
5
92°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brenham
Brenham's August 2026 forecast shows daily high temperatures ranging from 92° to 98°, with overnight lows between 72° and 76°. The average high for August is 94° 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 Brenham. See also: September | October | November.
