S
M
T
W
T
F
S
26
88°
70°
27
89°
71°
28
90°
72°
29
90°
72°
30
89°
71°
31
88°
72°
1
89°
72°
2
90°
73°
3
91°
72°
4
90°
71°
5
90°
71°
6
89°
73°
7
90°
71°
8
88°
69°
9
86°
69°
10
86°
71°
11
90°
72°
12
90°
73°
13
89°
72°
14
90°
71°
15
88°
70°
16
87°
66°
17
86°
67°
18
84°
68°
19
87°
66°
20
86°
67°
21
87°
68°
22
86°
65°
23
82°
62°
24
78°
60°
25
78°
59°
26
79°
59°
27
79°
58°
28
80°
58°
29
79°
60°
30
80°
66°
31
85°
66°
1
85°
65°
2
86°
65°
3
86°
62°
4
84°
64°
5
79°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Keokuk
Keokuk's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 58° and 73°. The average high for August is 86° with an average low of 67°. 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 Keokuk. See also: September | October | November.
