Water temperature in San Diego
84.3
°F
April 15, 01:04
Trend:
increasingYesterday:
84.2°FTomorrow:
84.5°F
Sunrise:
Sunset:
Day Length:
12 h. 26 min.San Diego in April
Minimum:
80.7°FAverage:
81.6°FMaximum:
82.5°FSea water temperature in San Diego today
As of now, in San Diego, the water temperature is 84.3°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. 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
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 84.5°F on 2025, while the historical minimum was 82.3°F on 2018.
Daily water temperature in San Diego
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Apr 1 | 82.3°F | 82.3°F | 82.1°F |
| Apr 2 | 82.3°F | 82.3°F | 82.4°F |
| Apr 3 | 82.5°F | 82.1°F | 82.4°F |
| Apr 4 | 82.6°F | 83.0°F | 82.4°F |
| Apr 5 | 82.7°F | 82.4°F | 82.3°F |
| Apr 6 | 82.9°F | 82.9°F | 82.3°F |
| Apr 7 | 83.2°F | 82.9°F | 82.4°F |
| Apr 8 | 83.6°F | 83.8°F | 82.5°F |
| Apr 9 | 83.4°F | 83.9°F | 82.6°F |
| Apr 10 | 83.4°F | 83.8°F | 82.7°F |
| Apr 11 | 83.9°F | 83.9°F | 82.9°F |
| Apr 12 | 84.0°F | 84.3°F | 83.0°F |
| Apr 13 | 84.6°F | 84.8°F | 83.2°F |
| Apr 14 | 84.2°F | 84.6°F | 83.2°F |
| Apr 15 | 84.3°F | 84.5°F | 83.3°F |
| Apr 16 | 84.5°F | 83.9°F | 83.5°F |
| Apr 17 | 84.7°F | 84.4°F | 83.8°F |
| Apr 18 | 85.0°F | 85.1°F | 84.0°F |
| Apr 19 | 85.0°F | 85.8°F | 84.1°F |
| Apr 20 | 85.1°F | 86.0°F | 84.1°F |
| Apr 21 | 85.2°F | 85.8°F | 84.2°F |
| Apr 22 | 85.2°F | 85.4°F | 84.2°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.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| San Jose |
83.8°F
|
25mi |
| Dasmariñas |
84.8°F
|
29mi |
| Las Piñas |
85.3°F
|
37mi |
| Calamba |
84.5°F
|
38mi |
* current water temperature in this city
** straight line distance from San Diego