S
M
T
W
T
F
S
27
89°
66°
28
90°
65°
29
89°
64°
30
90°
65°
1
89°
67°
2
90°
66°
3
89°
66°
4
89°
67°
5
90°
66°
6
89°
64°
7
90°
64°
8
88°
63°
9
88°
57°
10
86°
62°
11
83°
59°
12
83°
58°
13
84°
58°
14
80°
59°
15
83°
59°
16
79°
54°
17
78°
57°
18
80°
55°
19
81°
56°
20
82°
57°
21
81°
56°
22
80°
54°
23
77°
53°
24
78°
57°
25
82°
53°
26
79°
57°
27
81°
55°
28
Hist. Avg.
82°
57°
29
Hist. Avg.
82°
57°
30
Hist. Avg.
81°
57°
31
Hist. Avg.
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Brea
Brea's October 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 53° and 67°. The average high for October is 84° with an average low of 60°. 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 Brea. See also: November | December | January.
