Water temperature in San Francisco
88.8
°F
September 2, 18:22
Trend:
decreasingYesterday:
88.9°FTomorrow:
88.6°F
Sunrise:
Sunset:
Day Length:
12 h. 31 min.San Francisco in September
Minimum:
72.6°FAverage:
77.9°FMaximum:
80.1°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 88.8°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 1.9°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 fall a bit.Recent sea temperature and forecast
Today's water temperature closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 87.9°F on 2023, while the historical minimum was 85.8°F on 2020.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 19 | 89.1°F | 87.4°F | 87.4°F |
| Aug 20 | 88.0°F | 87.2°F | 87.1°F |
| Aug 21 | 88.6°F | 87.0°F | 87.1°F |
| Aug 22 | 88.6°F | 87.5°F | 87.1°F |
| Aug 23 | 89.0°F | 87.4°F | 87.0°F |
| Aug 24 | 88.7°F | 87.3°F | 87.0°F |
| Aug 25 | 88.9°F | 87.5°F | 87.1°F |
| Aug 26 | 88.8°F | 87.5°F | 87.2°F |
| Aug 27 | 88.8°F | 87.4°F | 87.3°F |
| Aug 28 | 89.2°F | 87.5°F | 87.3°F |
| Aug 29 | 89.1°F | 87.7°F | 87.2°F |
| Aug 30 | 89.3°F | 87.7°F | 87.3°F |
| Aug 31 | 88.7°F | 88.4°F | 87.3°F |
| Sep 1 | 88.9°F | 88.1°F | 87.2°F |
| Sep 2 | 88.8°F | 87.7°F | 86.9°F |
| Sep 3 | 88.6°F | 87.4°F | 86.8°F |
| Sep 4 | 88.6°F | 87.5°F | 86.7°F |
| Sep 5 | 88.6°F | 87.5°F | 86.8°F |
| Sep 6 | 88.6°F | 87.4°F | 86.7°F |
| Sep 7 | 88.4°F | 87.2°F | 86.6°F |
| Sep 8 | 88.3°F | 87.1°F | 86.5°F |
| Sep 9 | 88.4°F | 87.0°F | 86.6°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.