15.08
sat
sat
Day
91°F
NW 15 mph
Precip.
5%
5%
Night
86°F
W 14 mph
Precip.
11%
11%
16.08
sun
sun
Day
86°F
W 11 mph
Precip.
9%
9%
Night
86°F
W 9 mph
Precip.
5%
5%
17.08
mon
mon
Day
86°F
W 7 mph
Precip.
5%
5%
Night
86°F
NE 2 mph
Precip.
7%
7%
18.08
tue
tue
Day
86°F
E 3 mph
Precip.
5%
5%
Night
86°F
E 8 mph
Precip.
5%
5%
19.08
wed
wed
Day
86°F
E 6 mph
Precip.
4%
4%
Night
86°F
N 6 mph
Precip.
6%
6%
20.08
thu
thu
Day
86°F
NW 5 mph
Precip.
6%
6%
Night
86°F
NW 5 mph
Precip.
6%
6%
21.08
fri
fri
Day
86°F
NW 7 mph
Precip.
5%
5%
Night
86°F
W 11 mph
Precip.
6%
6%
22.08
sat
sat
Day
86°F
NW 11 mph
Precip.
11%
11%
Night
86°F
W 17 mph
Precip.
11%
11%
23.08
sun
sun
Day
86°F
W 14 mph
Precip.
12%
12%
Night
86°F
W 17 mph
Precip.
36%
36%
24.08
mon
mon
Day
86°F
W 14 mph
Precip.
22%
22%
Night
86°F
W 16 mph
Precip.
23%
23%
25.08
tue
tue
Day
84°F
W 12 mph
Precip.
62%
62%
Night
86°F
W 16 mph
Precip.
17%
17%
26.08
wed
wed
Day
86°F
NW 13 mph
Precip.
65%
65%
Night
86°F
NW 12 mph
Precip.
57%
57%
27.08
thu
thu
Day
86°F
NW 9 mph
Precip.
9%
9%
Night
84°F
W 11 mph
Precip.
7%
7%
28.08
fri
fri
Day
86°F
N 4 mph
Precip.
11%
11%
Night
84°F
SW 8 mph
Precip.
36%
36%
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
weather
weather
| Key Largo |
7 days
forecast
forecast
| Key Largo |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.7°F. The highest and lowest sea temperatures during the month were 88.5°F and 86.5°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: 16:00
August 15, saturday
1800
88°F
W
14 mph
14 mph
2100
86°F
W
14 mph
14 mph
August 16, sunday
0000
86°F
W
14 mph
14 mph
0300
86°F
NW
11 mph
11 mph
0600
86°F
NW
12 mph
12 mph
0900
86°F
NW
13 mph
13 mph
1200
86°F
W
11 mph
11 mph
1500
86°F
W
11 mph
11 mph
