S
M
T
W
T
F
S
26
66°
43°
27
57°
43°
28
52°
37°
29
57°
37°
30
52°
39°
1
54°
34°
2
68°
32°
3
72°
50°
4
64°
36°
5
54°
30°
6
52°
36°
7
63°
32°
8
77°
39°
9
64°
37°
10
64°
36°
11
75°
32°
12
77°
55°
13
75°
41°
14
78°
54°
15
92°
53°
16
85°
57°
17
79°
62°
18
72°
51°
19
62°
41°
20
61°
42°
21
64°
49°
22
68°
50°
23
74°
55°
24
72°
54°
25
74°
55°
26
77°
54°
27
74°
51°
28
69°
50°
29
67°
49°
30
68°
50°
31
70°
49°
1
69°
49°
2
70°
54°
3
72°
59°
4
77°
61°
5
81°
61°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Madelia
Madelia's May 2026 forecast shows daily high temperatures ranging from 61° to 92°, with overnight lows between 41° and 62°. The average high for May is 73° with an average low of 53°. 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 Madelia. See also: June | July | August.