S
M
T
W
T
F
S
26
93°
68°
27
97°
73°
28
90°
70°
29
88°
64°
30
N/A
31
72°
60°
1
83°
58°
2
87°
61°
3
86°
64°
4
75°
55°
5
77°
57°
6
83°
62°
7
85°
64°
8
87°
61°
9
85°
63°
10
84°
62°
11
86°
63°
12
85°
61°
13
83°
60°
14
80°
64°
15
84°
65°
16
87°
64°
17
85°
63°
18
80°
60°
19
81°
63°
20
84°
63°
21
79°
60°
22
77°
55°
23
76°
56°
24
76°
53°
25
77°
54°
26
78°
59°
27
79°
62°
28
80°
62°
29
84°
61°
30
77°
62°
31
84°
62°
1
84°
60°
2
81°
54°
3
80°
61°
4
85°
62°
5
85°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rock Rapids
Rock Rapids's August 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 53° and 65°. The average high for August is 82° with an average low of 60°. 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 Rock Rapids. See also: September | October | November.
