S
M
T
W
T
F
S
26
84°
74°
27
83°
74°
28
83°
74°
29
83°
75°
30
83°
73°
1
83°
74°
2
85°
80°
3
84°
73°
4
83°
72°
5
86°
74°
6
84°
75°
7
85°
79°
8
87°
78°
9
86°
80°
10
86°
81°
11
86°
79°
12
86°
79°
13
87°
74°
14
86°
77°
15
87°
77°
16
89°
79°
17
88°
80°
18
88°
81°
19
89°
79°
20
88°
80°
21
87°
78°
22
88°
80°
23
89°
79°
24
89°
80°
25
90°
81°
26
89°
78°
27
88°
79°
28
89°
78°
29
89°
79°
30
90°
80°
31
89°
79°
1
88°
79°
2
88°
80°
3
88°
80°
4
87°
79°
5
88°
80°
6
88°
80°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Key Colony Beach
Key Colony Beach's May 2026 forecast shows daily high temperatures ranging from 87° to 90°, with overnight lows between 77° and 81°. The average high for May is 88° with an average low of 79°. 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 Key Colony Beach. See also: June | July | August.
