S
M
T
W
T
F
S
26
78°
62°
27
80°
64°
28
80°
63°
29
79°
64°
30
82°
65°
31
82°
65°
1
81°
64°
2
80°
62°
3
76°
58°
4
76°
60°
5
75°
58°
6
75°
57°
7
76°
62°
8
78°
61°
9
81°
63°
10
81°
63°
11
80°
62°
12
80°
63°
13
81°
62°
14
81°
61°
15
81°
63°
16
76°
62°
17
75°
63°
18
81°
63°
19
80°
62°
20
78°
56°
21
80°
54°
22
74°
54°
23
74°
55°
24
75°
56°
25
74°
54°
26
74°
60°
27
75°
54°
28
74°
53°
29
73°
53°
30
73°
52°
31
72°
51°
1
72°
52°
2
73°
53°
3
71°
54°
4
70°
52°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montebello
Montebello's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 51° and 65°. The average high for August is 77° 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 Montebello. See also: September | October | November.
