S
M
T
W
T
F
S
26
90°
57°
27
92°
58°
28
94°
59°
29
92°
56°
30
88°
57°
31
87°
57°
1
87°
55°
2
88°
56°
3
87°
53°
4
87°
58°
5
89°
56°
6
89°
55°
7
91°
59°
8
93°
60°
9
90°
58°
10
93°
58°
11
93°
53°
12
92°
56°
13
87°
53°
14
84°
50°
15
83°
51°
16
85°
57°
17
88°
57°
18
86°
50°
19
84°
50°
20
82°
46°
21
81°
51°
22
82°
53°
23
83°
54°
24
83°
54°
25
84°
52°
26
84°
47°
27
78°
47°
28
78°
48°
29
80°
46°
30
79°
42°
31
78°
44°
1
77°
46°
2
80°
48°
3
79°
44°
4
79°
48°
5
83°
51°
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 94°, with overnight lows between 42° and 60°. The average high for August is 85° with an average low of 53°. 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.
