S
M
T
W
T
F
S
26
85°
69°
27
85°
70°
28
88°
71°
29
89°
72°
30
88°
71°
31
87°
70°
1
88°
71°
2
89°
72°
3
89°
70°
4
87°
69°
5
87°
70°
6
88°
70°
7
88°
69°
8
81°
64°
9
80°
64°
10
81°
69°
11
87°
71°
12
88°
71°
13
89°
70°
14
88°
70°
15
87°
68°
16
84°
66°
17
81°
68°
18
83°
68°
19
87°
67°
20
86°
68°
21
87°
67°
22
86°
61°
23
80°
60°
24
78°
59°
25
78°
59°
26
79°
60°
27
80°
58°
28
80°
58°
29
81°
65°
30
80°
65°
31
80°
64°
1
84°
65°
2
85°
64°
3
84°
56°
4
77°
61°
5
76°
64°
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 76° to 89°, with overnight lows between 56° and 72°. The average high for August is 84° 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 Riverdale. See also: September | October | November.
