S
M
T
W
T
F
S
26
87°
69°
27
86°
68°
28
84°
73°
29
85°
74°
30
84°
72°
1
84°
78°
2
83°
77°
3
82°
73°
4
83°
73°
5
82°
74°
6
85°
76°
7
89°
77°
8
87°
78°
9
87°
76°
10
86°
76°
11
87°
77°
12
84°
74°
13
83°
76°
14
84°
75°
15
84°
76°
16
85°
76°
17
84°
77°
18
85°
77°
19
84°
76°
20
84°
77°
21
85°
77°
22
85°
76°
23
86°
77°
24
85°
78°
25
84°
78°
26
84°
77°
27
86°
77°
28
85°
78°
29
86°
78°
30
85°
77°
31
82°
78°
1
83°
78°
2
83°
77°
3
85°
78°
4
85°
78°
5
86°
77°
6
85°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Key Largo Park
Key Largo Park's May 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 72° and 78°. The average high for May is 85° with an average low of 76°. 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 Largo Park. See also: June | July | August.
