S
M
T
W
T
F
S
26
87°
79°
27
85°
75°
28
86°
77°
29
85°
79°
30
85°
78°
1
87°
77°
2
87°
82°
3
86°
79°
4
86°
77°
5
90°
77°
6
87°
78°
7
89°
78°
8
89°
78°
9
89°
80°
10
88°
81°
11
89°
77°
12
86°
76°
13
88°
77°
14
87°
79°
15
88°
78°
16
87°
77°
17
86°
77°
18
87°
78°
19
88°
75°
20
87°
77°
21
88°
78°
22
86°
78°
23
86°
77°
24
85°
78°
25
84°
77°
26
84°
77°
27
85°
76°
28
84°
78°
29
85°
78°
30
85°
77°
31
86°
78°
1
86°
78°
2
87°
79°
3
86°
78°
4
84°
79°
5
84°
79°
6
85°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cudjoe Key
Cudjoe Key's May 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 75° and 81°. The average high for May is 86° with an average low of 78°. 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 Cudjoe Key. See also: June | July | August.
