Water temperature in Key West
74.5
°F
December 19, 08:34
Trend:
stableYesterday:
74.2°FTomorrow:
74.2°F
Sunrise:
Sunset:
Day Length:
10 h. 37 min.Key West in December
Minimum:
68.5°FAverage:
73.0°FMaximum:
75.6°FSea water temperature in Key West today
As of now, in Key West, the water temperature is 74.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.6°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.Recent sea temperature and forecast
Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 78.5°F on 2015, while the historical minimum was 74.2°F on 2023.
Daily water temperature in Key West
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Dec 5 | 77.2°F | 71.6°F | 76.8°F |
| Dec 6 | 78.6°F | 72.8°F | 76.8°F |
| Dec 7 | 78.5°F | 73.9°F | 76.9°F |
| Dec 8 | 78.4°F | 72.1°F | 76.6°F |
| Dec 9 | 79.4°F | 70.7°F | 76.4°F |
| Dec 10 | 78.7°F | 72.6°F | 76.4°F |
| Dec 11 | 76.1°F | 72.4°F | 76.1°F |
| Dec 12 | 76.5°F | 73.5°F | 76.3°F |
| Dec 13 | 75.7°F | 71.7°F | 75.9°F |
| Dec 14 | 76.4°F | 71.0°F | 76.0°F |
| Dec 15 | 75.6°F | 71.3°F | 75.9°F |
| Dec 16 | 75.2°F | 71.6°F | 76.0°F |
| Dec 17 | 74.2°F | 72.4°F | 76.1°F |
| Dec 18 | 74.2°F | 73.5°F | 76.0°F |
| Dec 19 | 74.5°F | 74.2°F | 76.1°F |
| Dec 20 | 74.2°F | 73.5°F | 75.8°F |
| Dec 21 | 73.6°F | 72.8°F | 75.2°F |
| Dec 22 | 73.5°F | 72.1°F | 75.1°F |
| Dec 23 | 73.2°F | 71.0°F | 74.8°F |
| Dec 24 | 72.9°F | 70.9°F | 74.4°F |
| Dec 25 | 72.8°F | 70.3°F | 74.4°F |
| Dec 26 | 72.6°F | 71.0°F | 74.2°F |
* actual - actual temperature values
** forecast - projected values for the next week
Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.
Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.