S
M
T
W
T
F
S
26
84°
62°
27
83°
66°
28
74°
62°
29
72°
58°
30
65°
49°
1
68°
47°
2
68°
45°
3
75°
57°
4
82°
59°
5
77°
56°
6
63°
48°
7
68°
49°
8
72°
54°
9
74°
58°
10
75°
57°
11
80°
62°
12
79°
59°
13
79°
56°
14
78°
57°
15
77°
63°
16
80°
63°
17
81°
64°
18
82°
63°
19
82°
64°
20
81°
64°
21
82°
63°
22
82°
64°
23
78°
61°
24
79°
64°
25
82°
65°
26
78°
62°
27
77°
58°
28
78°
63°
29
81°
59°
30
80°
64°
31
85°
66°
1
84°
66°
2
86°
67°
3
86°
67°
4
83°
64°
5
79°
60°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in O'Kean
O'Kean's May 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 45° and 67°. The average high for May is 78° with an average low of 60°. 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 O'Kean. See also: June | July | August.
