S
M
T
W
T
F
S
26
82°
61°
27
82°
61°
28
83°
62°
29
82°
61°
30
82°
62°
31
83°
66°
1
86°
67°
2
87°
67°
3
88°
68°
4
88°
67°
5
87°
61°
6
83°
61°
7
80°
62°
8
81°
61°
9
82°
62°
10
82°
62°
11
84°
64°
12
83°
65°
13
84°
66°
14
86°
65°
15
85°
67°
16
87°
66°
17
87°
66°
18
84°
63°
19
82°
61°
20
79°
60°
21
80°
66°
22
80°
65°
23
81°
61°
24
83°
63°
25
83°
65°
26
84°
60°
27
84°
59°
28
81°
64°
29
78°
65°
30
85°
64°
31
84°
65°
1
83°
64°
2
84°
64°
3
83°
62°
4
84°
57°
5
82°
62°
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 78° to 88°, with overnight lows between 57° and 68°. The average high for August is 83° with an average low of 63°. 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.
