Water temperature in San Francisco
81.8
°F
January 21, 09:51
Trend:
increasingYesterday:
81.2°FTomorrow:
81.9°F
Sunrise:
Sunset:
Day Length:
11 h. 41 min.San Francisco in January
Minimum:
79.8°FAverage:
82.0°FMaximum:
84.3°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 81.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.3°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 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 83.1°F on 2024, while the historical minimum was 76.1°F on 2019.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jan 7 | 82.7°F | 81.1°F | 82.0°F |
| Jan 8 | 82.4°F | 82.7°F | 82.0°F |
| Jan 9 | 82.2°F | 82.0°F | 81.8°F |
| Jan 10 | 81.7°F | 81.8°F | 81.6°F |
| Jan 11 | 81.8°F | 81.9°F | 81.7°F |
| Jan 12 | 81.6°F | 82.0°F | 81.8°F |
| Jan 13 | 81.5°F | 82.7°F | 81.7°F |
| Jan 14 | 81.4°F | 82.5°F | 81.5°F |
| Jan 15 | 81.0°F | 82.4°F | 81.2°F |
| Jan 16 | 80.8°F | 82.6°F | 81.2°F |
| Jan 17 | 80.8°F | 82.8°F | 81.2°F |
| Jan 18 | 81.1°F | 82.4°F | 80.9°F |
| Jan 19 | 81.1°F | 82.5°F | 80.8°F |
| Jan 20 | 81.2°F | 82.2°F | 80.6°F |
| Jan 21 | 81.8°F | 82.1°F | 80.5°F |
| Jan 22 | 81.9°F | 82.1°F | 80.6°F |
| Jan 23 | 81.9°F | 83.1°F | 80.6°F |
| Jan 24 | 81.9°F | 82.6°F | 80.6°F |
| Jan 25 | 81.8°F | 82.9°F | 80.5°F |
| Jan 26 | 81.7°F | 82.9°F | 80.4°F |
| Jan 27 | 82.0°F | 83.5°F | 80.7°F |
| Jan 28 | 81.6°F | 82.5°F | 80.3°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.
