13.08
thu
thu
Day
90°F
W 1 mph
Precip.
6%
6%
Night
86°F
W 11 mph
Precip.
5%
5%
14.08
fri
fri
Day
86°F
W 11 mph
Precip.
17%
17%
Night
86°F
W 16 mph
Precip.
6%
6%
15.08
sat
sat
Day
86°F
NW 14 mph
Precip.
11%
11%
Night
86°F
W 16 mph
Precip.
13%
13%
16.08
sun
sun
Day
86°F
W 9 mph
Precip.
7%
7%
Night
84°F
W 7 mph
Precip.
6%
6%
17.08
mon
mon
Day
84°F
NW 2 mph
Precip.
4%
4%
Night
84°F
SE 5 mph
Precip.
6%
6%
18.08
tue
tue
Day
86°F
NW 6 mph
Precip.
36%
36%
Night
86°F
NW 9 mph
Precip.
6%
6%
19.08
wed
wed
Day
84°F
NW 9 mph
Precip.
10%
10%
Night
86°F
W 17 mph
Precip.
11%
11%
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 August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.7°F. The highest and lowest sea temperatures during the month were 90.1°F and 86.9°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: 05:23
August 13, thursday
0600
84°F
NW
6 mph
6 mph
0900
84°F
NW
5 mph
5 mph
1200
90°F
W
1 mph
1 mph
1500
86°F
NW
6 mph
6 mph
1800
86°F
NW
6 mph
6 mph
2100
86°F
W
6 mph
6 mph
August 14, friday
0000
86°F
W
11 mph
11 mph
0300
86°F
NW
12 mph
12 mph
