Water temperature in San Francisco
66.7
°F
August 21, 11:07
Trend:
increasingYesterday:
64.1°FTomorrow:
66.9°F
Sunrise:
Sunset:
Day Length:
13 h. 25 min.San Francisco in August
Minimum:
50.9°FAverage:
52.8°FMaximum:
55.7°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 66.7°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.9°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.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 65.0°F on 2022, while the historical minimum was 58.4°F on 2018.
Daily water temperature in San Francisco
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 7 | 65.1°F | 63.3°F | 62.2°F |
| Aug 8 | 64.5°F | 63.6°F | 62.5°F |
| Aug 9 | 64.3°F | 63.9°F | 62.7°F |
| Aug 10 | 65.4°F | 63.8°F | 62.7°F |
| Aug 11 | 66.1°F | 63.8°F | 62.7°F |
| Aug 12 | 65.5°F | 64.1°F | 63.0°F |
| Aug 13 | 65.2°F | 63.4°F | 63.0°F |
| Aug 14 | 62.9°F | 63.1°F | 62.8°F |
| Aug 15 | 62.1°F | 64.7°F | 63.1°F |
| Aug 16 | 62.7°F | 64.2°F | 63.3°F |
| Aug 17 | 62.1°F | 63.4°F | 62.9°F |
| Aug 18 | 63.3°F | 65.0°F | 63.2°F |
| Aug 19 | 64.5°F | 64.4°F | 63.3°F |
| Aug 20 | 64.1°F | 64.1°F | 63.1°F |
| Aug 21 | 66.7°F | 63.9°F | 62.8°F |
| Aug 22 | 66.9°F | 63.4°F | 63.0°F |
| Aug 23 | 66.8°F | 63.5°F | 63.0°F |
| Aug 24 | 66.8°F | 63.8°F | 62.9°F |
| Aug 25 | 67.1°F | 64.8°F | 63.2°F |
| Aug 26 | 67.2°F | 64.8°F | 63.3°F |
| Aug 27 | 67.0°F | 64.0°F | 63.2°F |
| Aug 28 | 67.4°F | 63.8°F | 63.5°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** |
|---|---|---|
| Oakland |
67.0°F
|
8mi |
| Redwood City |
70.8°F
|
22mi |
| San Jose |
68.8°F
|
42mi |
* current water temperature in this city
** straight line distance from San Francisco