Water temperature in San Juan
64.1
°F
March 27, 05:03
Trend:
decreasingYesterday:
64.3°FTomorrow:
64.1°F
Sunrise:
Sunset:
Day Length:
12 h. 0 min.San Juan in April
Minimum:
61.2°FAverage:
65.0°FMaximum:
68.5°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 64.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.2°F lower 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 68.3°F on 2017, while the historical minimum was 58.9°F on 2022.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Mar 13 | 64.9°F | 67.9°F | 66.5°F |
| Mar 14 | 64.9°F | 67.8°F | 66.5°F |
| Mar 15 | 63.2°F | 67.3°F | 65.8°F |
| Mar 16 | 62.3°F | 66.2°F | 65.4°F |
| Mar 17 | 61.6°F | 65.5°F | 65.1°F |
| Mar 18 | 62.5°F | 63.0°F | 64.8°F |
| Mar 19 | 63.3°F | 65.7°F | 65.2°F |
| Mar 20 | 64.0°F | 62.8°F | 65.1°F |
| Mar 21 | 63.2°F | 65.0°F | 65.1°F |
| Mar 22 | 62.8°F | 63.4°F | 64.6°F |
| Mar 23 | 63.2°F | 61.1°F | 64.5°F |
| Mar 24 | 62.6°F | 63.1°F | 64.6°F |
| Mar 25 | 63.8°F | 61.3°F | 65.0°F |
| Mar 26 | 64.3°F | 61.3°F | 64.7°F |
| Mar 27 | 64.1°F | 60.9°F | 64.3°F |
| Mar 28 | 64.1°F | 62.7°F | 64.3°F |
| Mar 29 | 63.9°F | 61.2°F | 64.1°F |
| Mar 30 | 63.8°F | 58.7°F | 64.0°F |
| Mar 31 | 64.0°F | 60.2°F | 64.2°F |
| Apr 1 | 63.7°F | 61.1°F | 63.9°F |
| Apr 2 | 63.3°F | 60.2°F | 63.5°F |
| Apr 3 | 63.2°F | 61.7°F | 63.4°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.