S
M
T
W
T
F
S
26
90°
72°
27
91°
73°
28
91°
73°
29
90°
72°
30
91°
72°
31
90°
71°
1
86°
71°
2
88°
70°
3
87°
71°
4
91°
72°
5
91°
73°
6
92°
71°
7
86°
71°
8
90°
70°
9
90°
70°
10
89°
64°
11
84°
65°
12
85°
66°
13
84°
64°
14
87°
65°
15
84°
66°
16
82°
70°
17
84°
69°
18
87°
67°
19
84°
67°
20
83°
66°
21
82°
69°
22
83°
68°
23
83°
65°
24
85°
67°
25
88°
63°
26
88°
61°
27
82°
62°
28
81°
63°
29
82°
65°
30
81°
66°
31
84°
67°
1
86°
62°
2
81°
61°
3
80°
61°
4
80°
60°
5
81°
60°
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 92°, 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.
