S
M
T
W
T
F
S
26
88°
73°
27
88°
70°
28
88°
70°
29
89°
71°
30
88°
69°
31
91°
72°
1
92°
73°
2
91°
71°
3
88°
73°
4
88°
69°
5
89°
71°
6
88°
69°
7
87°
70°
8
86°
71°
9
87°
71°
10
87°
72°
11
88°
72°
12
87°
70°
13
90°
72°
14
92°
69°
15
91°
71°
16
91°
71°
17
89°
73°
18
91°
72°
19
87°
71°
20
90°
70°
21
86°
71°
22
86°
69°
23
90°
72°
24
90°
72°
25
86°
71°
26
90°
73°
27
90°
73°
28
89°
72°
29
90°
73°
30
90°
67°
31
89°
67°
1
86°
68°
2
86°
70°
3
85°
69°
4
88°
67°
5
89°
70°
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 85° to 92°, with overnight lows between 67° and 73°. The average high for August is 89° with an average low of 71°. 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.
