S
M
T
W
T
F
S
26
75°
56°
27
72°
50°
28
61°
44°
29
64°
41°
30
68°
39°
1
67°
33°
2
66°
47°
3
77°
48°
4
83°
49°
5
55°
45°
6
54°
41°
7
67°
46°
8
69°
47°
9
76°
52°
10
71°
51°
11
75°
51°
12
80°
57°
13
79°
57°
14
80°
54°
15
84°
63°
16
79°
59°
17
77°
58°
18
79°
57°
19
79°
52°
20
75°
56°
21
74°
51°
22
71°
50°
23
72°
52°
24
72°
53°
25
73°
53°
26
72°
54°
27
74°
54°
28
72°
58°
29
74°
61°
30
79°
63°
31
75°
57°
1
76°
56°
2
77°
59°
3
80°
65°
4
81°
65°
5
82°
66°
6
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wathena
Wathena's May 2026 forecast shows daily high temperatures ranging from 54° to 84°, with overnight lows between 41° and 66°. The average high for May is 75° with an average low of 55°. 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 Wathena. See also: June | July | August.