Water temperature in San Francisco
86.1
°F
October 2, 06:33
Trend:
stableYesterday:
85.8°FTomorrow:
86.0°F
Sunrise:
Sunset:
Day Length:
12 h. 2 min.San Francisco in October
Minimum:
80.5°FAverage:
82.1°FMaximum:
83.3°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 86.1°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 1.2°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
Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.5°F on 2022, while the historical minimum was 83.7°F on 2016.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 18 | 84.8°F | 84.9°F | 84.7°F |
| Sep 19 | 84.5°F | 84.9°F | 84.7°F |
| Sep 20 | 84.6°F | 84.9°F | 84.9°F |
| Sep 21 | 84.5°F | 85.2°F | 84.8°F |
| Sep 22 | 84.4°F | 85.2°F | 84.9°F |
| Sep 23 | 84.3°F | 85.1°F | 84.9°F |
| Sep 24 | 84.3°F | 85.1°F | 84.9°F |
| Sep 25 | 84.4°F | 85.0°F | 84.8°F |
| Sep 26 | 85.5°F | 84.9°F | 84.8°F |
| Sep 27 | 85.3°F | 85.0°F | 84.8°F |
| Sep 28 | 85.4°F | 85.0°F | 84.8°F |
| Sep 29 | 85.9°F | 84.6°F | 84.9°F |
| Sep 30 | 86.2°F | 84.5°F | 84.8°F |
| Oct 1 | 85.8°F | 83.9°F | 84.5°F |
| Oct 2 | 86.1°F | 85.2°F | 84.8°F |
| Oct 3 | 86.0°F | 85.2°F | 84.8°F |
| Oct 4 | 86.1°F | 84.7°F | 84.8°F |
| Oct 5 | 86.1°F | 85.1°F | 84.8°F |
| Oct 6 | 86.1°F | 85.2°F | 84.9°F |
| Oct 7 | 86.2°F | 85.0°F | 84.9°F |
| Oct 8 | 86.3°F | 85.0°F | 85.0°F |
| Oct 9 | 86.4°F | 85.0°F | 85.2°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** |
|---|---|---|
| San Juan |
85.8°F
|
14mi |
| San Francisco |
85.6°F
|
27mi |
| San Jose |
85.8°F
|
29mi |
| San Francisco |
87.0°F
|
43mi |
| Trinidad |
87.8°F
|
56mi |
* current water temperature in this city
** straight line distance from San Francisco