S
M
T
W
T
F
S
26
84°
65°
27
95°
67°
28
91°
72°
29
85°
61°
30
66°
57°
1
61°
51°
2
73°
45°
3
78°
46°
4
84°
60°
5
94°
66°
6
74°
58°
7
64°
56°
8
81°
59°
9
92°
60°
10
93°
63°
11
81°
59°
12
90°
54°
13
92°
57°
14
93°
63°
15
85°
66°
16
85°
66°
17
86°
74°
18
91°
76°
19
87°
60°
20
78°
63°
21
82°
65°
22
88°
68°
23
84°
66°
24
84°
65°
25
86°
67°
26
87°
68°
27
88°
67°
28
87°
70°
29
87°
71°
30
89°
70°
31
87°
68°
1
86°
67°
2
87°
70°
3
86°
67°
4
85°
64°
5
86°
67°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cleo
Cleo's May 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 60° and 72°. The average high for May is 86° with an average low of 67°. 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 Cleo. See also: June | July | August.