S
M
T
W
T
F
S
26
80°
64°
27
83°
63°
28
84°
64°
29
85°
66°
30
86°
67°
31
86°
68°
1
85°
69°
2
87°
69°
3
87°
68°
4
86°
68°
5
86°
67°
6
85°
67°
7
85°
68°
8
86°
68°
9
86°
69°
10
87°
69°
11
87°
68°
12
86°
68°
13
86°
65°
14
84°
68°
15
87°
68°
16
86°
67°
17
85°
66°
18
84°
65°
19
83°
66°
20
84°
66°
21
85°
69°
22
87°
70°
23
88°
69°
24
89°
70°
25
88°
70°
26
89°
69°
27
88°
68°
28
89°
68°
29
88°
66°
30
87°
66°
31
84°
67°
1
87°
67°
2
87°
66°
3
86°
65°
4
85°
62°
5
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Downey
Downey's August 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 61° and 70°. The average high for August is 86° with an average low of 67°. 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 Downey. See also: September | October | November.
