S
M
T
W
T
F
S
26
75°
55°
27
75°
52°
28
59°
44°
29
62°
41°
30
66°
40°
1
65°
38°
2
63°
36°
3
83°
43°
4
82°
57°
5
57°
46°
6
60°
44°
7
70°
43°
8
68°
50°
9
85°
50°
10
68°
48°
11
79°
44°
12
82°
51°
13
78°
48°
14
79°
51°
15
85°
63°
16
89°
65°
17
85°
67°
18
82°
61°
19
65°
52°
20
65°
47°
21
65°
55°
22
71°
60°
23
78°
54°
24
81°
49°
25
84°
56°
26
81°
61°
27
84°
62°
28
77°
69°
29
79°
67°
30
83°
67°
31
90°
69°
1
93°
68°
2
82°
65°
3
83°
65°
4
81°
67°
5
83°
65°
6
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Osawatomie
Osawatomie's May 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 64° and 69°. The average high for May is 84° with an average low of 66°. 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 Osawatomie. See also: June | July | August.