Water temperature in San Francisco
84.4
°F
January 2, 20:55
Trend:
decreasingYesterday:
84.5°FTomorrow:
84.2°F
Sunrise:
Sunset:
Day Length:
11 h. 33 min.San Francisco in January
Minimum:
82.5°FAverage:
83.7°FMaximum:
85.4°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 84.4°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 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 84.8°F on 2024, while the historical minimum was 82.4°F on 2016.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jan 1 | 84.5°F | 83.7°F | 83.7°F |
| Jan 2 | 84.4°F | 83.5°F | 83.4°F |
| Jan 3 | 84.2°F | 83.1°F | 83.2°F |
| Jan 4 | 84.3°F | 84.5°F | 83.4°F |
| Jan 5 | 84.4°F | 83.9°F | 83.4°F |
| Jan 6 | 84.3°F | 84.3°F | 83.3°F |
| Jan 7 | 84.0°F | 83.7°F | 83.1°F |
| Jan 8 | 83.9°F | 83.4°F | 83.0°F |
| Jan 9 | 84.0°F | 84.2°F | 83.0°F |
| Dec 19 | 85.4°F | 84.4°F | 84.2°F |
| Dec 20 | 85.1°F | 84.2°F | 84.1°F |
| Dec 21 | 85.1°F | 84.1°F | 84.1°F |
| Dec 22 | 85.1°F | 83.9°F | 84.1°F |
| Dec 23 | 85.0°F | 84.1°F | 84.1°F |
| Dec 24 | 85.2°F | 83.9°F | 84.1°F |
| Dec 25 | 85.2°F | 84.2°F | 84.0°F |
| Dec 26 | 85.1°F | 84.2°F | 83.9°F |
| Dec 27 | 85.3°F | 83.7°F | 83.8°F |
| Dec 28 | 84.8°F | 84.8°F | 83.8°F |
| Dec 29 | 84.8°F | 84.4°F | 83.8°F |
| Dec 30 | 85.5°F | 83.9°F | 83.8°F |
| Dec 31 | 85.2°F | 84.0°F | 83.9°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** |
|---|---|---|
| Trinidad |
84.3°F
|
6mi |
| Santiago |
84.5°F
|
30mi |
| Cebu City |
84.1°F
|
31mi |
| San Francisco |
84.6°F
|
34mi |
* current water temperature in this city
** straight line distance from San Francisco