Water temperature in San Juan
85.5
°F
August 4, 00:27
Trend:
increasingYesterday:
85.2°FTomorrow:
85.6°F
Sunrise:
Sunset:
Day Length:
12 h. 43 min.San Juan in August
Minimum:
78.5°FAverage:
80.5°FMaximum:
82.1°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 85.5°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 0.3°F higher 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
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 85.8°F on 2016, while the historical minimum was 84.2°F on 2018.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jul 21 | 84.9°F | 86.1°F | 85.7°F |
| Jul 22 | 84.8°F | 85.9°F | 85.6°F |
| Jul 23 | 84.7°F | 85.8°F | 85.7°F |
| Jul 24 | 84.7°F | 85.7°F | 85.5°F |
| Jul 25 | 84.7°F | 85.6°F | 85.5°F |
| Jul 26 | 84.5°F | 85.4°F | 85.5°F |
| Jul 27 | 84.9°F | 85.2°F | 85.5°F |
| Jul 28 | 84.7°F | 85.0°F | 85.2°F |
| Jul 29 | 84.5°F | 84.9°F | 85.1°F |
| Jul 30 | 84.5°F | 85.0°F | 85.1°F |
| Jul 31 | 84.4°F | 85.6°F | 85.0°F |
| Aug 1 | 85.1°F | 85.2°F | 85.0°F |
| Aug 2 | 84.8°F | 85.4°F | 84.9°F |
| Aug 3 | 85.2°F | 85.5°F | 84.9°F |
| Aug 4 | 85.5°F | 85.5°F | 85.1°F |
| Aug 5 | 85.6°F | 85.6°F | 85.3°F |
| Aug 6 | 85.8°F | 85.7°F | 85.5°F |
| Aug 7 | 85.7°F | 85.6°F | 85.3°F |
| Aug 8 | 85.7°F | 85.7°F | 85.3°F |
| Aug 9 | 85.7°F | 85.8°F | 85.3°F |
| Aug 10 | 85.7°F | 85.8°F | 85.4°F |
| Aug 11 | 85.6°F | 85.7°F | 85.2°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.