S
M
T
W
T
F
S
26
86°
62°
27
90°
66°
28
68°
55°
29
68°
49°
30
68°
51°
1
70°
50°
2
75°
44°
3
84°
46°
4
82°
59°
5
73°
49°
6
64°
48°
7
75°
39°
8
85°
50°
9
84°
54°
10
64°
55°
11
77°
48°
12
82°
51°
13
86°
58°
14
90°
64°
15
92°
71°
16
87°
68°
17
89°
69°
18
90°
75°
19
61°
57°
20
71°
59°
21
71°
62°
22
78°
61°
23
76°
62°
24
76°
61°
25
78°
64°
26
80°
65°
27
79°
64°
28
79°
65°
29
80°
64°
30
80°
65°
31
81°
64°
1
83°
63°
2
82°
67°
3
79°
62°
4
79°
60°
5
80°
66°
6
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oklahoma City
Oklahoma City's May 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 57° and 68°. The average high for May is 78° with an average low of 63°. 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 Oklahoma City. See also: June | July | August.
