
The most detailed information about the water temperature in Siesta Key in Gulf of Mexico (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 Siesta Key for a week.
Water temperature in Siesta Key right now
data updated 6 minutes ago70°F

yesterday: 70°F
a week ago: 74°F
Trend: slow drop
Today water temperature in Siesta Key is 70.9°F. This water is cool and invigorating, but for many people it is already comfortable enough for swimming. In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. In any case, the general weather is also important. So, the air temperature at the same time will reach 68°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 73°F. Water temperature range in Siesta Key In December is from 60 to 75 degrees.
According to our forecast, in the coming days, the water temperature value in Siesta Key will slightly drop and in 10 days it will be 68°F.
Table of water temperature values in Siesta Key
Day | Fact* | Average** | Forecast*** |
Nov 24 | 23.7°C | 22.3°C | |
Nov 25 | 23.8°C | 22.3°C | |
Nov 26 | 22.8°C | 21.8°C | |
Nov 27 | 23.0°C | 22.0°C | |
Nov 28 | 21.9°C | 21.8°C | |
Nov 29 | 21.9°C | 22.0°C | |
Nov 30 | 21.4°C | 21.5°C | |
Dec 1 | 21.6°C | 22.0°C | |
Dec 2 | 21.5°C | 21.1°C | |
Dec 3 | 21.0°C | 20.6°C | |
Dec 4 | 20.8°C | 20.4°C | |
Dec 5 | 20.5°C | 20.1°C | |
Dec 6 | 21.0°C | 20.6°C | |
Dec 7 | 20.8°C | 20.4°C | |
Dec 8 | 20.8°C | 20.4°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 Siesta Key

Water temperature in Siesta Key by month
Siesta Key located in the northern hemisphere, at latitude 27 degrees. The comfortable water temperature for swimming is set here in February, almost always only at the end of the month. During a year in Siesta Key there are 270 days of swimming. In general, the swimming season ends In December. Average annual water temperature on the coast in Siesta Key is 76°F, by the seasons: in winter 65°F, in spring 73°F, in summer 85°F, in autumn 79°F. Minimum water temperature (60°F) in Siesta Key it happens in February, maximum (89°F) in August.
You can find out detailed data on how the water temperature in Siesta Key changes in each specific month:
Siesta Key: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Sarasota | 70°C ![]() ![]() | 4km |
Gulf Gate Estates | 71°C ![]() ![]() | 7km |
Vamo | 70°C ![]() ![]() | 10km |
Turtle Beach | 70°C ![]() ![]() | 10km |
Whitfield | 70°C ![]() ![]() | 12km |
Osprey | 71°C ![]() ![]() | 13km |
Bayshore Gardens | 70°C ![]() ![]() | 14km |
Longboat Key | 71°C ![]() ![]() | 16km |
Bradenton | 70°C ![]() ![]() | 22km |
Cortez | 71°C ![]() ![]() | 23km |
Nokomis | 71°C ![]() ![]() | 23km |
West Bradenton | 70°C ![]() ![]() | 23km |
** Straight line distance in kilometers

The warmest water today in United States recorded in Lighthouse Point, 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 Siesta Key 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 10 kilometers. This is Sarasota Bradenton International (SRQ) airport. We have no information as to whether it is valid and what flights it receives or sends.
Siesta Key: weather forecast
The weather forecast is shown in local time in Siesta Key


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