Water temperature in San Francisco
78.2
°F
April 4, 07:19
Trend:
stableYesterday:
77.7°FTomorrow:
78.0°F
Sunrise:
Sunset:
Day Length:
12 h. 14 min.San Francisco in April
Minimum:
79.2°FAverage:
81.9°FMaximum:
84.0°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 78.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.9°F lower 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 fall 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.7°F on 2025, while the historical minimum was 75.8°F on 2019.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Mar 21 | 77.1°F | 80.9°F | 77.9°F |
| Mar 22 | 76.7°F | 80.6°F | 77.9°F |
| Mar 23 | 76.3°F | 80.5°F | 78.2°F |
| Mar 24 | 76.5°F | 80.2°F | 78.2°F |
| Mar 25 | 76.1°F | 80.0°F | 78.1°F |
| Mar 26 | 76.4°F | 79.8°F | 78.0°F |
| Mar 27 | 77.4°F | 79.7°F | 78.2°F |
| Mar 28 | 77.1°F | 81.4°F | 78.4°F |
| Mar 29 | 78.0°F | 81.4°F | 78.7°F |
| Mar 30 | 78.4°F | 81.7°F | 79.0°F |
| Mar 31 | 77.7°F | 80.3°F | 78.8°F |
| Apr 1 | 77.6°F | 81.5°F | 78.8°F |
| Apr 2 | 77.9°F | 82.5°F | 78.8°F |
| Apr 3 | 77.7°F | 81.9°F | 78.9°F |
| Apr 4 | 78.2°F | 81.7°F | 79.1°F |
| Apr 5 | 78.0°F | 80.0°F | 78.9°F |
| Apr 6 | 78.0°F | 81.2°F | 78.9°F |
| Apr 7 | 78.2°F | 81.3°F | 79.1°F |
| Apr 8 | 78.4°F | 81.3°F | 79.3°F |
| Apr 9 | 78.9°F | 83.3°F | 79.8°F |
| Apr 10 | 78.9°F | 83.0°F | 79.8°F |
| Apr 11 | 79.5°F | 83.4°F | 80.4°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.
