S
M
T
W
T
F
S
26
89°
72°
27
90°
72°
28
89°
71°
29
87°
72°
30
87°
72°
31
90°
73°
1
91°
73°
2
89°
71°
3
90°
70°
4
90°
71°
5
89°
70°
6
84°
71°
7
87°
65°
8
85°
66°
9
84°
66°
10
84°
65°
11
87°
71°
12
90°
71°
13
90°
70°
14
89°
65°
15
86°
64°
16
84°
70°
17
83°
70°
18
86°
64°
19
84°
64°
20
83°
65°
21
83°
63°
22
85°
63°
23
85°
64°
24
86°
63°
25
85°
64°
26
87°
69°
27
88°
68°
28
87°
69°
29
89°
69°
30
87°
68°
31
86°
61°
1
82°
60°
2
80°
61°
3
81°
61°
4
81°
62°
5
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Riverdale
Riverdale's August 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 60° and 73°. 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 Riverdale. See also: September | October | November.
