Water temperature in San Juan
87.9
°F
July 11, 04:16
Trend:
stableYesterday:
87.6°FTomorrow:
87.8°F
Sunrise:
Sunset:
Day Length:
12 h. 56 min.San Juan in July
Minimum:
80.1°FAverage:
80.9°FMaximum:
81.8°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 87.9°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 1.0°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 stay about the same.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 88.3°F on 2023, while the historical minimum was 85.7°F on 2025.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jun 27 | 88.4°F | 85.8°F | 87.3°F |
| Jun 28 | 87.7°F | 85.9°F | 87.2°F |
| Jun 29 | 88.1°F | 85.9°F | 87.2°F |
| Jun 30 | 87.5°F | 85.7°F | 87.1°F |
| Jul 1 | 87.3°F | 85.6°F | 87.0°F |
| Jul 2 | 86.8°F | 85.5°F | 86.9°F |
| Jul 3 | 86.5°F | 85.5°F | 86.8°F |
| Jul 4 | 87.1°F | 85.4°F | 86.8°F |
| Jul 5 | 87.5°F | 85.3°F | 86.7°F |
| Jul 6 | 87.8°F | 85.2°F | 86.6°F |
| Jul 7 | 87.5°F | 85.2°F | 86.6°F |
| Jul 8 | 87.8°F | 85.2°F | 86.6°F |
| Jul 9 | 87.6°F | 85.2°F | 86.6°F |
| Jul 10 | 87.6°F | 85.3°F | 86.6°F |
| Jul 11 | 87.9°F | 85.7°F | 86.8°F |
| Jul 12 | 87.8°F | 85.5°F | 86.8°F |
| Jul 13 | 87.8°F | 85.6°F | 86.8°F |
| Jul 14 | 87.7°F | 85.9°F | 86.7°F |
| Jul 15 | 87.6°F | 85.7°F | 86.6°F |
| Jul 16 | 87.5°F | 85.6°F | 86.4°F |
| Jul 17 | 87.3°F | 85.3°F | 86.3°F |
| Jul 18 | 87.2°F | 85.0°F | 86.1°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** |
|---|---|---|
| Mandaluyong City |
87.9°F
|
1mi |
| Pasig City |
88.2°F
|
2mi |
| Manila |
88.0°F
|
3mi |
| Makati City |
87.9°F
|
3mi |
| Quezon City |
88.0°F
|
4mi |
| Pasay |
88.0°F
|
5mi |
| Caloocan City |
88.0°F
|
6mi |
| Taguig |
88.1°F
|
6mi |
| Antipolo |
88.2°F
|
6mi |
| Paranaque City |
88.1°F
|
8mi |
* current water temperature in this city
** straight line distance from San Juan