Water temperature in San Juan
83.0
°F
June 28, 14:52
Trend:
increasingYesterday:
82.5°FTomorrow:
83.2°F
Sunrise:
Sunset:
Day Length:
13 h. 14 min.San Juan in July
Minimum:
80.6°FAverage:
81.1°FMaximum:
81.8°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 83.0°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 about the same as 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
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 84.8°F on 2023, while the historical minimum was 81.6°F on 2018.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jun 14 | 83.2°F | 82.4°F | 82.7°F |
| Jun 15 | 83.0°F | 82.4°F | 82.7°F |
| Jun 16 | 83.2°F | 82.2°F | 82.7°F |
| Jun 17 | 82.8°F | 82.3°F | 82.7°F |
| Jun 18 | 82.2°F | 82.4°F | 82.8°F |
| Jun 19 | 82.7°F | 82.5°F | 82.9°F |
| Jun 20 | 82.6°F | 82.5°F | 82.9°F |
| Jun 21 | 82.8°F | 82.7°F | 82.9°F |
| Jun 22 | 82.9°F | 82.7°F | 82.9°F |
| Jun 23 | 82.5°F | 82.9°F | 82.9°F |
| Jun 24 | 82.8°F | 83.2°F | 83.0°F |
| Jun 25 | 83.0°F | 83.0°F | 83.0°F |
| Jun 26 | 82.6°F | 83.0°F | 83.0°F |
| Jun 27 | 82.5°F | 82.9°F | 83.0°F |
| Jun 28 | 83.0°F | 82.9°F | 83.0°F |
| Jun 29 | 83.2°F | 83.0°F | 83.2°F |
| Jun 30 | 83.2°F | 82.9°F | 83.2°F |
| Jul 1 | 83.2°F | 82.7°F | 83.2°F |
| Jul 2 | 83.2°F | 82.9°F | 83.2°F |
| Jul 3 | 83.1°F | 82.8°F | 83.1°F |
| Jul 4 | 83.0°F | 83.1°F | 83.0°F |
| Jul 5 | 83.0°F | 83.2°F | 83.0°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.