S
M
T
W
T
F
S
26
90°
64°
27
93°
59°
28
72°
54°
29
72°
46°
30
72°
46°
1
72°
45°
2
48°
39°
3
84°
49°
4
86°
73°
5
73°
50°
6
68°
45°
7
81°
41°
8
90°
50°
9
88°
54°
10
64°
52°
11
81°
45°
12
84°
52°
13
90°
57°
14
90°
63°
15
93°
70°
16
88°
70°
17
86°
70°
18
91°
75°
19
81°
54°
20
70°
54°
21
68°
59°
22
86°
63°
23
84°
61°
24
90°
59°
25
91°
59°
26
87°
63°
27
81°
64°
28
86°
64°
29
87°
67°
30
87°
65°
31
84°
66°
1
81°
62°
2
79°
61°
3
80°
58°
4
80°
60°
5
87°
65°
6
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chickasha
Chickasha's May 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 58° and 67°. The average high for May is 84° 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 Chickasha. See also: June | July | August.