S
M
T
W
T
F
S
26
88°
65°
27
87°
65°
28
87°
66°
29
88°
65°
30
88°
64°
31
87°
63°
1
86°
64°
2
87°
64°
3
88°
67°
4
91°
68°
5
87°
65°
6
87°
65°
7
88°
66°
8
88°
66°
9
91°
67°
10
89°
66°
11
90°
65°
12
89°
67°
13
88°
65°
14
88°
64°
15
88°
69°
16
94°
67°
17
93°
69°
18
Hist. Avg.
90°
69°
19
Hist. Avg.
90°
69°
20
Hist. Avg.
90°
69°
21
Hist. Avg.
90°
69°
22
Hist. Avg.
90°
68°
23
Hist. Avg.
90°
68°
24
Hist. Avg.
90°
68°
25
Hist. Avg.
90°
68°
26
Hist. Avg.
90°
68°
27
Hist. Avg.
89°
68°
28
Hist. Avg.
89°
67°
29
Hist. Avg.
89°
67°
30
Hist. Avg.
89°
67°
31
Hist. Avg.
89°
67°
1
Hist. Avg.
88°
66°
2
Hist. Avg.
88°
66°
3
Hist. Avg.
88°
66°
4
Hist. Avg.
88°
66°
5
Hist. Avg.
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Brentwood
Brentwood's August 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 63° and 69°. The average high for August is 89° with an average low of 66°. 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 Brentwood. See also: September | October | November.
