28.04
tue
tue
Day
81°F
W 11 mph
Precip.
0%
0%
Night
77°F
W 16 mph
Precip.
0%
0%
29.04
wed
wed
Day
79°F
W 11 mph
Precip.
60%
60%
Night
77°F
NW 9 mph
Precip.
0%
0%
30.04
thu
thu
Day
79°F
N 7 mph
Precip.
0%
0%
Night
79°F
N 7 mph
Precip.
0%
0%
01.05
fri
fri
Day
79°F
N 8 mph
Precip.
0%
0%
Night
79°F
NW 13 mph
Precip.
0%
0%
02.05
sat
sat
Day
81°F
N 16 mph
Precip.
0%
0%
Night
81°F
NW 9 mph
Precip.
100%
100%
03.05
sun
sun
Day
81°F
NE 14 mph
Precip.
0%
0%
Night
81°F
E 6 mph
Precip.
100%
100%
04.05
mon
mon
Day
81°F
E 14 mph
Precip.
100%
100%
Night
79°F
SE 9 mph
Precip.
100%
100%
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
weather
weather
| Key Largo |
14 days
forecast
forecast
| Key Largo |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 78.1°F. The highest and lowest sea temperatures during the month were 80.4°F and 76.1°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 87.6°F and 79.0°F.
Air temperature in Key Largo, °F
Precipitation total in Key Largo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Key Largo
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 03:58
April 28, tuesday
0600
77°F
SW
13 mph
13 mph
0900
79°F
W
12 mph
12 mph
1200
81°F
W
11 mph
11 mph
1500
79°F
W
12 mph
12 mph
1800
79°F
W
17 mph
17 mph
2100
79°F
W
15 mph
15 mph
April 29, wednesday
0000
77°F
W
16 mph
16 mph
0300
77°F
W
14 mph
14 mph
