Water temperature in San Jose
67.2
°F
September 23, 17:50
Trend:
stableYesterday:
67.8°FTomorrow:
67.5°F
Sunrise:
Sunset:
Day Length:
12 h. 7 min.San Jose in September
Minimum:
52.0°FAverage:
52.9°FMaximum:
54.3°FSea water temperature in San Jose today
As of now, in San Jose, the water temperature is 67.2°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 2.2°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 rise a bit.Recent sea temperature and forecast
Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 71.0°F on 2025, while the historical minimum was 58.2°F on 2016.
Daily water temperature in San Jose
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 9 | 69.1°F | 68.7°F | 66.5°F |
| Sep 10 | 69.5°F | 67.7°F | 66.2°F |
| Sep 11 | 70.6°F | 68.1°F | 66.1°F |
| Sep 12 | 71.5°F | 67.2°F | 65.7°F |
| Sep 13 | 71.2°F | 66.8°F | 65.4°F |
| Sep 14 | 69.7°F | 67.1°F | 65.6°F |
| Sep 15 | 68.5°F | 68.1°F | 66.0°F |
| Sep 16 | 67.9°F | 68.5°F | 65.9°F |
| Sep 17 | 67.6°F | 69.4°F | 65.7°F |
| Sep 18 | 68.8°F | 70.1°F | 65.9°F |
| Sep 19 | 68.5°F | 70.3°F | 65.7°F |
| Sep 20 | 69.0°F | 69.7°F | 65.4°F |
| Sep 21 | 68.1°F | 68.2°F | 65.0°F |
| Sep 22 | 67.8°F | 68.3°F | 65.0°F |
| Sep 23 | 67.2°F | 71.0°F | 65.0°F |
| Sep 24 | 67.5°F | 72.4°F | 65.3°F |
| Sep 25 | 67.8°F | 71.8°F | 65.6°F |
| Sep 26 | 67.8°F | 70.8°F | 65.6°F |
| Sep 27 | 68.0°F | 69.8°F | 65.7°F |
| Sep 28 | 67.9°F | 71.0°F | 65.7°F |
| Sep 29 | 67.7°F | 69.9°F | 65.5°F |
| Sep 30 | 67.1°F | 68.9°F | 64.9°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** |
|---|---|---|
| Redwood City |
67.1°F
|
21mi |
| Oakland |
68.9°F
|
38mi |
| San Francisco |
66.5°F
|
42mi |
| Monterey |
60.4°F
|
51mi |
* current water temperature in this city
** straight line distance from San Jose