S
M
T
W
T
F
S
26
83°
61°
27
89°
66°
28
71°
55°
29
71°
52°
30
69°
47°
1
71°
47°
2
72°
44°
3
84°
46°
4
80°
62°
5
76°
51°
6
67°
47°
7
73°
41°
8
81°
48°
9
84°
53°
10
70°
56°
11
79°
51°
12
81°
52°
13
85°
57°
14
83°
56°
15
81°
66°
16
85°
72°
17
87°
71°
18
89°
77°
19
79°
59°
20
69°
59°
21
76°
62°
22
79°
66°
23
80°
63°
24
85°
64°
25
84°
66°
26
79°
65°
27
80°
66°
28
76°
63°
29
82°
64°
30
83°
63°
31
81°
62°
1
86°
68°
2
86°
66°
3
83°
64°
4
84°
64°
5
84°
67°
6
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oktaha
Oktaha's May 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 62° and 68°. The average high for May is 82° with an average low of 65°. 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 Oktaha. See also: June | July | August.
