S
M
T
W
T
F
S
26
88°
68°
27
86°
68°
28
87°
67°
29
84°
66°
30
86°
67°
31
81°
65°
1
80°
60°
2
80°
63°
3
79°
62°
4
80°
64°
5
82°
67°
6
88°
68°
7
90°
68°
8
88°
67°
9
88°
67°
10
87°
66°
11
88°
66°
12
87°
65°
13
88°
67°
14
88°
65°
15
83°
58°
16
80°
56°
17
82°
57°
18
80°
54°
19
81°
55°
20
80°
54°
21
79°
55°
22
79°
53°
23
84°
56°
24
84°
62°
25
87°
62°
26
89°
61°
27
87°
62°
28
89°
60°
29
88°
53°
30
78°
52°
31
76°
54°
1
77°
50°
2
76°
54°
3
79°
58°
4
85°
57°
5
84°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cedar Rapids
Cedar Rapids's August 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 50° and 68°. The average high for August is 84° with an average low of 61°. 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 Cedar Rapids. See also: September | October | November.
