Water temperature in San Juan
64.0
°F
November 21, 07:44
Trend:
stableYesterday:
62.9°FTomorrow:
63.8°F
Sunrise:
Sunset:
Day Length:
12 h. 54 min.San Juan in November
Minimum:
58.4°FAverage:
66.1°FMaximum:
68.9°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 64.0°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 3.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 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 66.1°F on 2016, while the historical minimum was 56.8°F on 2022.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Nov 7 | 57.2°F | 61.7°F | 59.4°F |
| Nov 8 | 58.4°F | 61.5°F | 59.8°F |
| Nov 9 | 58.4°F | 61.3°F | 59.8°F |
| Nov 10 | 58.4°F | 61.6°F | 59.8°F |
| Nov 11 | 58.7°F | 61.9°F | 60.1°F |
| Nov 12 | 58.8°F | 60.3°F | 60.2°F |
| Nov 13 | 59.2°F | 62.2°F | 60.6°F |
| Nov 14 | 59.0°F | 59.9°F | 60.4°F |
| Nov 15 | 60.8°F | 60.4°F | 60.4°F |
| Nov 16 | 61.1°F | 60.5°F | 60.7°F |
| Nov 17 | 61.3°F | 61.6°F | 60.8°F |
| Nov 18 | 63.0°F | 62.1°F | 61.1°F |
| Nov 19 | 62.5°F | 61.9°F | 60.5°F |
| Nov 20 | 62.9°F | 58.7°F | 60.7°F |
| Nov 21 | 64.0°F | 59.8°F | 60.8°F |
| Nov 22 | 63.8°F | 59.6°F | 60.7°F |
| Nov 23 | 64.6°F | 60.3°F | 61.4°F |
| Nov 24 | 64.9°F | 61.5°F | 61.7°F |
| Nov 25 | 65.1°F | 62.0°F | 61.9°F |
| Nov 26 | 65.0°F | 61.6°F | 61.8°F |
| Nov 27 | 65.1°F | 62.5°F | 62.0°F |
| Nov 28 | 65.0°F | 62.7°F | 61.8°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.