S
M
T
W
T
F
S
26
79°
46°
27
75°
54°
28
64°
50°
29
61°
39°
30
57°
36°
1
57°
37°
2
61°
36°
3
73°
46°
4
84°
41°
5
59°
46°
6
57°
36°
7
66°
32°
8
72°
43°
9
77°
48°
10
70°
43°
11
72°
43°
12
81°
52°
13
73°
50°
14
78°
57°
15
83°
63°
16
83°
65°
17
86°
68°
18
85°
58°
19
72°
52°
20
71°
48°
21
68°
51°
22
71°
52°
23
75°
56°
24
78°
59°
25
80°
58°
26
81°
59°
27
86°
60°
28
78°
59°
29
76°
56°
30
72°
56°
31
73°
55°
1
73°
53°
2
74°
53°
3
74°
60°
4
77°
63°
5
83°
64°
6
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Muscatine
Muscatine's May 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 48° and 68°. The average high for May is 78° 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 Muscatine. See also: June | July | August.
