S
M
T
W
T
F
S
26
72°
54°
27
72°
56°
28
74°
47°
29
75°
51°
30
83°
65°
31
81°
57°
1
70°
47°
2
71°
47°
3
80°
57°
4
84°
60°
5
81°
57°
6
74°
56°
7
71°
53°
8
74°
54°
9
75°
52°
10
74°
46°
11
68°
53°
12
69°
55°
13
75°
54°
14
68°
52°
15
74°
55°
16
76°
54°
17
68°
53°
18
66°
50°
19
68°
50°
20
65°
45°
21
66°
48°
22
67°
54°
23
73°
47°
24
63°
47°
25
67°
52°
26
70°
49°
27
64°
48°
28
70°
48°
29
64°
44°
30
61°
44°
31
61°
47°
1
62°
47°
2
63°
46°
3
70°
51°
4
70°
52°
5
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in River Heights
River Heights's August 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 44° and 65°. The average high for August is 71° with an average low of 51°. 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 River Heights. See also: September | October | November.