S
M
T
W
T
F
S
26
82°
69°
27
87°
72°
28
85°
73°
29
87°
73°
30
85°
72°
31
82°
72°
1
83°
71°
2
82°
72°
3
82°
72°
4
83°
71°
5
84°
71°
6
83°
72°
7
82°
72°
8
83°
71°
9
83°
72°
10
81°
72°
11
81°
71°
12
82°
71°
13
81°
70°
14
80°
70°
15
80°
71°
16
81°
67°
17
80°
68°
18
80°
69°
19
81°
69°
20
82°
70°
21
84°
65°
22
80°
63°
23
79°
62°
24
80°
66°
25
79°
65°
26
80°
69°
27
85°
69°
28
84°
68°
29
85°
69°
30
85°
63°
31
82°
62°
1
78°
64°
2
78°
67°
3
81°
64°
4
82°
68°
5
84°
68°
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 87°, with overnight lows between 62° and 73°. The average high for August is 82° with an average low of 69°. 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.
