S
M
T
W
T
F
S
26
94°
71°
27
N/A
28
96°
75°
29
95°
76°
30
96°
76°
31
98°
80°
1
101°
78°
2
97°
77°
3
98°
76°
4
96°
77°
5
97°
78°
6
98°
76°
7
97°
76°
8
97°
77°
9
96°
76°
10
97°
74°
11
97°
77°
12
96°
76°
13
97°
77°
14
97°
77°
15
96°
76°
16
97°
77°
17
97°
76°
18
96°
76°
19
97°
77°
20
97°
77°
21
96°
76°
22
95°
75°
23
96°
76°
24
96°
76°
25
97°
75°
26
97°
76°
27
96°
76°
28
96°
75°
29
93°
75°
30
87°
74°
31
89°
75°
1
90°
75°
2
92°
74°
3
92°
75°
4
93°
75°
5
92°
74°
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 87° to 101°, with overnight lows between 74° and 80°. The average high for August is 96° with an average low of 76°. 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.
