S
M
T
W
T
F
S
26
83°
67°
27
86°
68°
28
89°
67°
29
87°
63°
30
88°
67°
31
87°
68°
1
87°
68°
2
89°
67°
3
89°
68°
4
90°
68°
5
90°
67°
6
89°
67°
7
89°
66°
8
88°
66°
9
88°
59°
10
85°
59°
11
80°
58°
12
80°
58°
13
81°
59°
14
80°
59°
15
83°
63°
16
82°
66°
17
81°
65°
18
87°
66°
19
86°
65°
20
87°
64°
21
87°
64°
22
80°
60°
23
79°
56°
24
Hist. Avg.
80°
59°
25
Hist. Avg.
80°
59°
26
Hist. Avg.
80°
59°
27
Hist. Avg.
80°
58°
28
Hist. Avg.
80°
58°
29
Hist. Avg.
80°
58°
30
Hist. Avg.
79°
58°
31
Hist. Avg.
79°
58°
1
Hist. Avg.
79°
57°
2
Hist. Avg.
79°
57°
3
Hist. Avg.
79°
56°
4
Hist. Avg.
78°
56°
5
Hist. Avg.
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Cedar Rapids
Cedar Rapids's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 56° and 68°. The average high for August is 85° with an average low of 64°. 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.
