S
M
T
W
T
F
S
27
85°
72°
28
86°
71°
29
86°
70°
30
85°
72°
1
86°
70°
2
87°
69°
3
87°
71°
4
88°
68°
5
84°
66°
6
83°
70°
7
83°
70°
8
85°
69°
9
86°
69°
10
85°
68°
11
84°
67°
12
83°
66°
13
82°
65°
14
Hist. Avg.
86°
70°
15
Hist. Avg.
86°
70°
16
Hist. Avg.
86°
69°
17
Hist. Avg.
86°
69°
18
Hist. Avg.
85°
69°
19
Hist. Avg.
85°
68°
20
Hist. Avg.
85°
68°
21
Hist. Avg.
85°
68°
22
Hist. Avg.
84°
67°
23
Hist. Avg.
84°
67°
24
Hist. Avg.
84°
67°
25
Hist. Avg.
84°
66°
26
Hist. Avg.
83°
66°
27
Hist. Avg.
83°
66°
28
Hist. Avg.
83°
65°
29
Hist. Avg.
83°
65°
30
Hist. Avg.
82°
65°
31
Hist. Avg.
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Brentwood
Brentwood's October 2026 forecast shows daily high temperatures ranging from 82° to 88°, with overnight lows between 65° and 72°. The average high for October is 85° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Brentwood. See also: November | December | January.
