S
M
T
W
T
F
S
26
87°
67°
27
86°
67°
28
84°
64°
29
82°
63°
30
84°
67°
31
83°
65°
1
83°
65°
2
85°
66°
3
89°
68°
4
90°
68°
5
89°
67°
6
88°
69°
7
90°
69°
8
91°
67°
9
90°
66°
10
89°
68°
11
90°
69°
12
91°
68°
13
91°
69°
14
90°
68°
15
89°
67°
16
89°
65°
17
87°
64°
18
85°
63°
19
85°
64°
20
84°
63°
21
83°
62°
22
85°
63°
23
85°
63°
24
86°
68°
25
88°
70°
26
91°
68°
27
89°
68°
28
91°
67°
29
91°
66°
30
90°
68°
31
89°
67°
1
86°
66°
2
88°
65°
3
90°
65°
4
89°
67°
5
90°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rosemead
Rosemead's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 62° and 70°. The average high for August is 88° with an average low of 66°. 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 Rosemead. See also: September | October | November.
