S
M
T
W
T
F
S
26
77°
48°
27
75°
55°
28
63°
50°
29
57°
41°
30
61°
36°
1
59°
36°
2
59°
41°
3
72°
45°
4
79°
50°
5
55°
45°
6
57°
39°
7
66°
39°
8
63°
48°
9
79°
52°
10
66°
43°
11
72°
45°
12
81°
52°
13
72°
50°
14
75°
45°
15
82°
55°
16
79°
64°
17
84°
66°
18
77°
63°
19
68°
49°
20
66°
47°
21
70°
53°
22
63°
55°
23
72°
56°
24
77°
57°
25
79°
60°
26
79°
63°
27
78°
62°
28
80°
63°
29
79°
61°
30
80°
62°
31
82°
62°
1
78°
58°
2
81°
62°
3
74°
58°
4
73°
56°
5
78°
63°
6
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Keokuk
Keokuk's May 2026 forecast shows daily high temperatures ranging from 63° to 82°, with overnight lows between 47° and 64°. The average high for May is 76° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Keokuk. See also: June | July | August.
