Water temperature in San Juan
65.0
°F
March 5, 11:39
Trend:
increasingYesterday:
64.9°FTomorrow:
65.3°F
Sunrise:
Sunset:
Day Length:
12 h. 20 min.San Juan in March
Minimum:
59.8°FAverage:
64.7°FMaximum:
67.6°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 65.0°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 1.2°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 rise 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 69.4°F on 2016, while the historical minimum was 64.1°F on 2022.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Feb 19 | 65.3°F | 68.5°F | 66.3°F |
| Feb 20 | 65.8°F | 68.0°F | 66.6°F |
| Feb 21 | 65.7°F | 69.6°F | 66.9°F |
| Feb 22 | 67.2°F | 66.2°F | 67.0°F |
| Feb 23 | 69.8°F | 69.3°F | 67.7°F |
| Feb 24 | 71.3°F | 69.5°F | 68.1°F |
| Feb 25 | 69.9°F | 71.1°F | 67.6°F |
| Feb 26 | 68.2°F | 71.0°F | 67.6°F |
| Feb 27 | 68.1°F | 70.5°F | 67.6°F |
| Feb 28 | 68.5°F | 67.0°F | 67.5°F |
| Mar 1 | 69.7°F | 66.9°F | 67.4°F |
| Mar 2 | 68.3°F | 64.8°F | 67.0°F |
| Mar 3 | 67.2°F | 64.8°F | 66.9°F |
| Mar 4 | 64.9°F | 63.3°F | 66.4°F |
| Mar 5 | 65.0°F | 64.9°F | 66.2°F |
| Mar 6 | 65.3°F | 66.2°F | 66.5°F |
| Mar 7 | 65.1°F | 64.9°F | 66.3°F |
| Mar 8 | 65.4°F | 65.3°F | 66.5°F |
| Mar 9 | 65.8°F | 68.6°F | 66.9°F |
| Mar 10 | 65.4°F | 67.2°F | 66.6°F |
| Mar 11 | 65.7°F | 67.1°F | 66.9°F |
| Mar 12 | 65.6°F | 68.5°F | 66.8°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.