S
M
T
W
T
F
S
26
97°
75°
27
100°
79°
28
86°
73°
29
84°
68°
30
84°
64°
31
82°
66°
1
72°
66°
2
82°
64°
3
82°
63°
4
88°
68°
5
75°
66°
6
81°
70°
7
86°
66°
8
84°
68°
9
88°
72°
10
88°
77°
11
91°
77°
12
82°
73°
13
84°
72°
14
82°
73°
15
90°
72°
16
83°
70°
17
82°
65°
18
84°
65°
19
82°
67°
20
83°
63°
21
85°
63°
22
83°
57°
23
80°
59°
24
77°
62°
25
80°
65°
26
83°
62°
27
77°
61°
28
82°
61°
29
81°
62°
30
81°
65°
31
85°
66°
1
86°
66°
2
82°
61°
3
76°
59°
4
79°
65°
5
76°
63°
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 76° to 86°, with overnight lows between 57° and 66°. The average high for August is 81° with an average low of 62°. 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.
