S
M
T
W
T
F
S
26
68°
50°
27
68°
47°
28
73°
55°
29
70°
50°
30
69°
49°
1
73°
57°
2
78°
58°
3
80°
59°
4
81°
59°
5
80°
58°
6
80°
58°
7
81°
59°
8
81°
61°
9
83°
61°
10
83°
60°
11
82°
61°
12
81°
61°
13
79°
58°
14
74°
61°
15
84°
61°
16
85°
59°
17
79°
54°
18
77°
53°
19
75°
55°
20
78°
64°
21
85°
64°
22
88°
55°
23
86°
54°
24
78°
57°
25
79°
60°
26
84°
60°
27
81°
62°
28
81°
67°
29
90°
68°
30
90°
68°
31
91°
61°
1
91°
60°
2
82°
61°
3
84°
66°
4
91°
66°
5
90°
69°
6
92°
67°
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 68° to 92°, with overnight lows between 47° and 69°. The average high for May is 81° with an average low of 59°. 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.