S
M
T
W
T
F
S
26
72°
55°
27
73°
55°
28
73°
58°
29
74°
56°
30
75°
58°
1
77°
57°
2
76°
58°
3
75°
59°
4
74°
58°
5
76°
59°
6
75°
56°
7
74°
54°
8
72°
54°
9
70°
53°
10
69°
53°
11
69°
54°
12
71°
53°
13
71°
54°
14
72°
54°
15
74°
55°
16
71°
55°
17
70°
54°
18
70°
54°
19
71°
55°
20
72°
59°
21
77°
62°
22
78°
62°
23
76°
59°
24
73°
58°
25
77°
59°
26
79°
61°
27
80°
63°
28
80°
63°
29
79°
61°
30
78°
60°
31
77°
58°
1
74°
56°
2
74°
58°
3
75°
57°
4
75°
59°
5
82°
62°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montebello
Montebello's May 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 53° and 63°. The average high for May is 75° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Montebello. See also: June | July | August.
