S
M
T
W
T
F
S
26
66°
54°
27
67°
58°
28
74°
50°
29
76°
52°
30
75°
56°
1
78°
61°
2
74°
58°
3
66°
59°
4
66°
53°
5
68°
54°
6
77°
56°
7
80°
58°
8
83°
59°
9
81°
62°
10
80°
61°
11
79°
60°
12
78°
61°
13
80°
62°
14
83°
63°
15
78°
61°
16
75°
60°
17
76°
58°
18
79°
62°
19
78°
62°
20
79°
61°
21
79°
62°
22
78°
62°
23
80°
63°
24
81°
63°
25
80°
62°
26
79°
62°
27
78°
61°
28
73°
60°
29
72°
59°
30
72°
59°
31
73°
62°
1
75°
63°
2
77°
62°
3
77°
62°
4
76°
61°
5
75°
60°
6
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rosemead
Rosemead's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 53° and 63°. The average high for May is 77° 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 May weather will actually feel in Rosemead. See also: June | July | August.
