
The most detailed information about the water temperature in Key Largo in Atlantic Ocean (Florida, United States). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in Key Largo for a week.
Water temperature in Key Largo right now
data updated 8 minutes ago76°F

yesterday: 76°F
a week ago: 77°F
Trend: stability
Today water temperature in Key Largo is 76.1°F. It is the most comfortable swimming water in any body of water, especially on a hot day. This temperature range is recognized as the most optimal for prolonged bathing. In any case, the general weather is also important. So, the air temperature at the same time will reach 73°F.
Analysis and forecast
The water temperature today roughly corresponds to the average value on this day in recent years. Its value has rise over the last week, but has drop compared to 20 days ago. Exactly a year ago, on this day, the water temperature in this location was 80°F. Water temperature range in Key Largo In December is from 68 to 82 degrees.
According to our forecast, in the next 5-6 days the water temperature in Key Largo will become lower than today, but in 10 days it will still slightly rise, its value will be 76°F.
Table of water temperature values in Key Largo
Day | Fact* | Average** | Forecast*** |
Nov 24 | 24.9°C | 25.0°C | |
Nov 25 | 24.6°C | 25.0°C | |
Nov 26 | 25.3°C | 25.0°C | |
Nov 27 | 25.7°C | 25.3°C | |
Nov 28 | 25.8°C | 25.8°C | |
Nov 29 | 25.1°C | 25.5°C | |
Nov 30 | 24.5°C | 24.8°C | |
Dec 1 | 24.5°C | 24.8°C | |
Dec 2 | 24.3°C | 24.0°C | |
Dec 3 | 25.3°C | 25.0°C | |
Dec 4 | 24.8°C | 24.5°C | |
Dec 5 | 25.0°C | 24.7°C | |
Dec 6 | 24.3°C | 24.0°C | |
Dec 7 | 24.3°C | 24.0°C | |
Dec 8 | 24.5°C | 24.2°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in United States.

Annual graph of average water temperature change in Key Largo

Water temperature in Key Largo by month
Key Largo located in the northern hemisphere, at latitude 25 degrees. The swimming season in this location lasts all year round. Average annual water temperature on the coast in Key Largo is 79°F, by the seasons: in winter 73°F, in spring 78°F, in summer 85°F, in autumn 81°F. Minimum water temperature (68°F) in Key Largo it happens in February, maximum (88°F) in August.
You can find out detailed data on how the water temperature in Key Largo changes in each specific month:
Key Largo: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Florida Keys | 77°C ![]() ![]() | 11km |
Tavernier | 77°C ![]() ![]() | 11km |
North Key Largo | 75°C ![]() ![]() | 24km |
Islamorada | 76°C ![]() ![]() | 26km |
Layton | 76°C ![]() ![]() | 47km |
Everglades | 76°C ![]() ![]() | 48km |
Duck Key | 77°C ![]() ![]() | 58km |
Cutler | 77°C ![]() ![]() | 60km |
Palmetto Bay | 77°C ![]() ![]() | 61km |
Coconut Grove | 78°C ![]() ![]() | 72km |
Key Biscayne | 79°C ![]() ![]() | 73km |
Marathon | 77°C ![]() ![]() | 77km |
** Straight line distance in kilometers

The warmest water today in United States recorded in Hypoluxo, its value is 81°F. Lowest - in Kotzebue, there water temperature now 29°F. Average water temperature in the country today - 57°F.
Water temperature data in Key Largo and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 4 kilometers. This is Port Largo (KYL) airport. We have no information as to whether it is valid and what flights it receives or sends.
Key Largo: weather forecast
The weather forecast is shown in local time in Key Largo


humidity: 83%, clouds: 100%


humidity: 84%, clouds: 97%


humidity: 88%, clouds: 84%


humidity: 89%, clouds: 97%


humidity: 90%, clouds: 98%


humidity: 89%, clouds: 100%


humidity: 91%, clouds: 90%


humidity: 91%, clouds: 72%


humidity: 91%, clouds: 45%


humidity: 93%, clouds: 68%


humidity: 92%, clouds: 58%


humidity: 90%, clouds: 80%


humidity: 90%, clouds: 87%


humidity: 90%, clouds: 79%


humidity: 92%, clouds: 59%


humidity: 93%, clouds: 29%


humidity: 93%, clouds: 33%


humidity: 94%, clouds: 90%


humidity: 93%, clouds: 81%


humidity: 90%, clouds: 42%


humidity: 90%, clouds: 34%


humidity: 90%, clouds: 5%


humidity: 91%, clouds: 3%


humidity: 90%, clouds: 2%


humidity: 92%, clouds: 23%


humidity: 92%, clouds: 100%


humidity: 93%, clouds: 97%


humidity: 91%, clouds: 62%


humidity: 87%, clouds: 72%


humidity: 83%, clouds: 24%


humidity: 85%, clouds: 48%


humidity: 87%, clouds: 100%


humidity: 87%, clouds: 96%


humidity: 87%, clouds: 100%


humidity: 85%, clouds: 80%
