S
M
T
W
T
F
S
27
76°
52°
28
76°
51°
29
76°
52°
30
75°
51°
1
71°
51°
2
75°
50°
3
75°
50°
4
74°
51°
5
76°
51°
6
75°
50°
7
75°
50°
8
74°
47°
9
65°
42°
10
64°
43°
11
71°
47°
12
70°
46°
13
66°
48°
14
62°
47°
15
70°
46°
16
70°
46°
17
71°
44°
18
61°
44°
19
59°
45°
20
62°
46°
21
68°
40°
22
62°
36°
23
54°
33°
24
55°
36°
25
61°
37°
26
66°
29°
27
55°
28°
28
57°
28°
29
59°
32°
30
62°
34°
31
65°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Montebello
Montebello's October 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 28° and 52°. The average high for October is 67° with an average low of 43°. 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 Montebello. See also: November | December | January.