Water temperature in San Juan
81.0
°F
April 12, 08:31
Trend:
increasingYesterday:
80.9°FTomorrow:
81.1°F
Sunrise:
Sunset:
Day Length:
12 h. 31 min.San Juan in April
Minimum:
80.3°FAverage:
81.1°FMaximum:
82.1°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 81.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 81.2°F on 2020, while the historical minimum was 79.5°F on 2021.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Mar 29 | 80.3°F | 80.9°F | 80.0°F |
| Mar 30 | 80.5°F | 80.9°F | 80.0°F |
| Mar 31 | 80.5°F | 80.6°F | 80.0°F |
| Apr 1 | 80.5°F | 80.3°F | 80.0°F |
| Apr 2 | 80.5°F | 80.5°F | 80.0°F |
| Apr 3 | 80.5°F | 80.6°F | 80.0°F |
| Apr 4 | 80.6°F | 80.4°F | 80.0°F |
| Apr 5 | 80.7°F | 80.0°F | 80.1°F |
| Apr 6 | 80.7°F | 79.9°F | 80.2°F |
| Apr 7 | 80.9°F | 80.0°F | 80.2°F |
| Apr 8 | 80.9°F | 80.1°F | 80.2°F |
| Apr 9 | 80.8°F | 80.1°F | 80.2°F |
| Apr 10 | 80.9°F | 80.4°F | 80.2°F |
| Apr 11 | 80.9°F | 80.5°F | 80.3°F |
| Apr 12 | 81.0°F | 80.7°F | 80.3°F |
| Apr 13 | 81.1°F | 80.9°F | 80.3°F |
| Apr 14 | 81.0°F | 80.9°F | 80.2°F |
| Apr 15 | 81.1°F | 81.3°F | 80.3°F |
| Apr 16 | 81.1°F | 81.4°F | 80.3°F |
| Apr 17 | 81.0°F | 81.1°F | 80.2°F |
| Apr 18 | 81.1°F | 80.9°F | 80.3°F |
| Apr 19 | 81.2°F | 81.2°F | 80.4°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.