S
M
T
W
T
F
S
26
80°
51°
27
85°
55°
28
80°
61°
29
70°
56°
30
64°
46°
1
64°
43°
2
62°
40°
3
67°
37°
4
82°
51°
5
77°
59°
6
64°
50°
7
65°
45°
8
73°
40°
9
77°
57°
10
78°
53°
11
74°
52°
12
77°
47°
13
78°
57°
14
68°
48°
15
79°
42°
16
85°
66°
17
90°
64°
18
91°
67°
19
92°
72°
20
76°
59°
21
71°
62°
22
73°
66°
23
77°
65°
24
76°
66°
25
75°
61°
26
75°
62°
27
78°
61°
28
77°
60°
29
76°
60°
30
81°
62°
31
80°
62°
1
80°
61°
2
81°
57°
3
79°
61°
4
77°
60°
5
78°
62°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Casey
Casey's May 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 57° and 66°. The average high for May is 77° with an average low of 62°. 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 Casey. See also: June | July | August.
