S
M
T
W
T
F
S
26
52°
37°
27
45°
39°
28
48°
34°
29
52°
27°
30
48°
27°
1
55°
25°
2
66°
28°
3
69°
48°
4
52°
27°
5
43°
28°
6
47°
29°
7
57°
30°
8
58°
35°
9
62°
38°
10
64°
40°
11
65°
41°
12
70°
46°
13
67°
45°
14
65°
43°
15
65°
44°
16
66°
42°
17
67°
46°
18
68°
48°
19
65°
48°
20
66°
43°
21
60°
39°
22
60°
39°
23
62°
41°
24
62°
40°
25
61°
40°
26
62°
41°
27
62°
42°
28
63°
42°
29
65°
50°
30
63°
46°
31
65°
48°
1
72°
53°
2
74°
54°
3
75°
54°
4
75°
56°
5
74°
56°
6
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wadena
Wadena's May 2026 forecast shows daily high temperatures ranging from 43° to 75°, with overnight lows between 27° and 56°. The average high for May is 64° with an average low of 43°. 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 Wadena. See also: June | July | August.