Water temperature in San Francisco
88.8
°F
September 24, 06:01
Trend:
decreasingYesterday:
89.3°FTomorrow:
88.7°F
Sunrise:
Sunset:
Day Length:
12 h. 5 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 1.5°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 is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 86.2°F on 2020.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 10 | 89.2°F | 87.0°F | 87.0°F |
| Sep 11 | 89.2°F | 87.4°F | 87.0°F |
| Sep 12 | 89.3°F | 87.3°F | 87.0°F |
| Sep 13 | 89.5°F | 87.4°F | 87.0°F |
| Sep 14 | 89.8°F | 87.3°F | 87.2°F |
| Sep 15 | 89.0°F | 87.4°F | 87.2°F |
| Sep 16 | 89.6°F | 87.2°F | 87.3°F |
| Sep 17 | 89.2°F | 87.1°F | 87.4°F |
| Sep 18 | 89.9°F | 87.0°F | 87.5°F |
| Sep 19 | 89.2°F | 87.0°F | 87.4°F |
| Sep 20 | 88.7°F | 87.0°F | 87.4°F |
| Sep 21 | 89.0°F | 87.0°F | 87.5°F |
| Sep 22 | 89.0°F | 87.8°F | 87.5°F |
| Sep 23 | 89.3°F | 87.6°F | 87.5°F |
| Sep 24 | 88.8°F | 87.6°F | 87.3°F |
| Sep 25 | 88.7°F | 87.6°F | 87.2°F |
| Sep 26 | 88.7°F | 87.3°F | 87.2°F |
| Sep 27 | 88.8°F | 87.7°F | 87.2°F |
| Sep 28 | 88.7°F | 88.1°F | 87.2°F |
| Sep 29 | 88.8°F | 87.7°F | 87.2°F |
| Sep 30 | 88.7°F | 87.9°F | 87.2°F |
| Oct 1 | 88.9°F | 88.0°F | 87.4°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.