Water temperature in San Juan
84.9
°F
May 30, 00:26
Trend:
stableYesterday:
85.0°FTomorrow:
85.0°F
Sunrise:
Sunset:
Day Length:
12 h. 40 min.San Juan in June
Minimum:
81.2°FAverage:
82.3°FMaximum:
83.4°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 84.9°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 0.2°F higher 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 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.1°F on 2017, while the historical minimum was 84.1°F on 2021.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| May 16 | 84.7°F | 84.5°F | 84.3°F |
| May 17 | 84.8°F | 85.1°F | 84.4°F |
| May 18 | 85.0°F | 85.0°F | 84.5°F |
| May 19 | 85.1°F | 85.0°F | 84.5°F |
| May 20 | 84.9°F | 84.9°F | 84.5°F |
| May 21 | 84.9°F | 85.2°F | 84.5°F |
| May 22 | 83.8°F | 84.6°F | 84.6°F |
| May 23 | 83.6°F | 85.2°F | 84.7°F |
| May 24 | 83.6°F | 85.0°F | 84.7°F |
| May 25 | 83.8°F | 85.1°F | 84.7°F |
| May 26 | 84.6°F | 85.3°F | 84.9°F |
| May 27 | 85.2°F | 85.4°F | 85.0°F |
| May 28 | 85.4°F | 85.4°F | 84.9°F |
| May 29 | 85.0°F | 85.3°F | 84.8°F |
| May 30 | 84.9°F | 85.1°F | 84.7°F |
| May 31 | 85.0°F | 84.6°F | 84.8°F |
| Jun 1 | 85.2°F | 85.0°F | 85.0°F |
| Jun 2 | 85.1°F | 85.3°F | 84.9°F |
| Jun 3 | 85.1°F | 85.8°F | 84.9°F |
| Jun 4 | 85.2°F | 85.6°F | 85.0°F |
| Jun 5 | 85.2°F | 85.5°F | 85.0°F |
| Jun 6 | 85.3°F | 85.3°F | 85.0°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.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| San Francisco |
84.8°F
|
14mi |
| San Jose |
85.2°F
|
27mi |
| San Francisco |
85.2°F
|
38mi |
| San Jose |
87.2°F
|
51mi |
| San Francisco |
85.8°F
|
55mi |
* current water temperature in this city
** straight line distance from San Juan