S
M
T
W
T
F
S
26
82°
61°
27
82°
61°
28
83°
62°
29
82°
61°
30
83°
62°
31
85°
67°
1
87°
67°
2
87°
66°
3
88°
68°
4
88°
67°
5
87°
60°
6
81°
60°
7
79°
61°
8
80°
60°
9
82°
61°
10
82°
61°
11
84°
64°
12
85°
65°
13
84°
66°
14
86°
65°
15
84°
67°
16
86°
65°
17
86°
65°
18
82°
61°
19
79°
59°
20
79°
59°
21
80°
64°
22
79°
65°
23
78°
62°
24
80°
62°
25
81°
65°
26
83°
61°
27
82°
58°
28
79°
62°
29
77°
64°
30
82°
63°
31
82°
64°
1
83°
63°
2
82°
63°
3
83°
60°
4
82°
55°
5
80°
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 77° to 88°, with overnight lows between 55° 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.
