S
M
T
W
T
F
S
26
76°
52°
27
80°
51°
28
81°
60°
29
72°
63°
30
78°
63°
31
83°
64°
1
85°
65°
2
85°
67°
3
77°
65°
4
78°
63°
5
83°
64°
6
83°
65°
7
88°
64°
8
86°
63°
9
85°
62°
10
84°
61°
11
82°
60°
12
81°
59°
13
80°
58°
14
83°
61°
15
77°
58°
16
76°
56°
17
76°
60°
18
75°
59°
19
75°
58°
20
76°
56°
21
75°
60°
22
76°
60°
23
76°
59°
24
75°
58°
25
75°
56°
26
76°
56°
27
75°
55°
28
75°
55°
29
74°
52°
30
74°
53°
31
77°
59°
1
78°
60°
2
79°
60°
3
76°
58°
4
74°
56°
5
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brentwood
Brentwood's August 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 52° and 67°. The average high for August is 78° with an average low of 59°. 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.
