Water temperature in San Juan
82.8
°F
February 26, 22:22
Trend:
stableYesterday:
83.0°FTomorrow:
82.9°F
Sunrise:
Sunset:
Day Length:
11 h. 44 min.San Juan in March
Minimum:
81.4°FAverage:
82.5°FMaximum:
83.6°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 82.8°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.7°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.Recent sea temperature and forecast
Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 82.5°F on 2025, while the historical minimum was 78.3°F on 2023.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Feb 12 | 81.2°F | 81.6°F | 80.8°F |
| Feb 13 | 81.1°F | 81.7°F | 80.9°F |
| Feb 14 | 81.5°F | 82.1°F | 81.1°F |
| Feb 15 | 81.1°F | 82.1°F | 81.1°F |
| Feb 16 | 81.8°F | 82.3°F | 81.2°F |
| Feb 17 | 82.2°F | 82.4°F | 81.2°F |
| Feb 18 | 82.1°F | 82.5°F | 81.2°F |
| Feb 19 | 82.0°F | 82.7°F | 81.2°F |
| Feb 20 | 82.0°F | 82.6°F | 81.2°F |
| Feb 21 | 81.8°F | 82.5°F | 81.2°F |
| Feb 22 | 81.8°F | 82.3°F | 81.1°F |
| Feb 23 | 81.8°F | 82.4°F | 81.2°F |
| Feb 24 | 82.0°F | 82.3°F | 81.2°F |
| Feb 25 | 83.0°F | 82.1°F | 81.2°F |
| Feb 26 | 82.8°F | 82.5°F | 81.1°F |
| Feb 27 | 82.9°F | 82.0°F | 81.2°F |
| Feb 28 | 83.0°F | 81.8°F | 81.3°F |
| Mar 1 | 83.3°F | 81.9°F | 81.6°F |
| Mar 2 | 83.3°F | 82.3°F | 81.6°F |
| Mar 3 | 83.4°F | 83.3°F | 81.6°F |
| Mar 4 | 83.5°F | 82.8°F | 81.7°F |
| Mar 5 | 83.6°F | 83.0°F | 81.8°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.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Santo Domingo |
82.5°F
|
8mi |
| San Sebastian |
82.2°F
|
10mi |
| Santa Maria |
82.5°F
|
26mi |
| Burgos |
82.8°F
|
28mi |
| Santiago |
82.9°F
|
31mi |
| Santa Maria |
82.7°F
|
55mi |
| Burgos |
82.2°F
|
55mi |
| Pamplona |
79.2°F
|
77mi |
* current water temperature in this city
** straight line distance from San Juan