What is the current water temperature in San Jose?

Q: What is the current water temperature in San Jose?

As of now, in San Jose, the water temperature is 16.29°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

United States > San Jose

Water temperature in San Jose

Detailed information about the current water temperature in San Jose. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

61.3

°F

March 21, 23:33

Trend:

increasing

Yesterday:

60.5°F

Tomorrow:

61.4°F

Sunrise:

07:10

Sunset:

19:20

Day Length:

12 h. 10 min.

San Jose in March

Minimum:

52.1°F

Average:

53.3°F

Maximum:

54.9°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 61.3°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 4.9°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 60.3°F on 2024, while the historical minimum was 54.2°F on 2021.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 61.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in San Jose

Date	Current Year actual* / forecast**	last year	10 years average
Mar 7	58.3°F	55.4°F	55.2°F
Mar 8	59.2°F	54.6°F	55.3°F
Mar 9	59.3°F	55.5°F	55.4°F
Mar 10	59.4°F	56.0°F	55.5°F
Mar 11	59.3°F	55.8°F	55.3°F
Mar 12	60.0°F	55.8°F	55.5°F
Mar 13	60.0°F	55.7°F	55.5°F
Mar 14	59.4°F	55.4°F	55.6°F
Mar 15	60.4°F	55.3°F	55.8°F
Mar 16	60.9°F	55.0°F	55.9°F
Mar 17	61.2°F	54.9°F	56.2°F
Mar 18	61.5°F	55.7°F	56.4°F
Mar 19	61.3°F	55.4°F	56.7°F
Mar 20	60.5°F	55.2°F	56.7°F
Mar 21	61.3°F	55.4°F	56.5°F
Mar 22	61.4°F	55.2°F	56.5°F
Mar 23	61.4°F	55.8°F	56.5°F
Mar 24	61.3°F	55.9°F	56.4°F
Mar 25	61.5°F	56.6°F	56.7°F
Mar 26	61.5°F	57.5°F	56.6°F
Mar 27	61.4°F	58.8°F	56.6°F
Mar 28	61.4°F	58.2°F	56.5°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.

Sea water temperature in San Jose by month

In an average year, San Jose offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in San Jose was recorded on October 7, 2024, reaching a 73.9°F. While the coldest temperature occurred on January 23, 2025, dipping to 50.5°F. The average readings by season are 53.7°F in Winter, 58.3°F in Spring, 64.6°F in Summer, and 62.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Redwood City	63.5°F	21mi
Oakland	61.4°F	38mi
San Francisco	58.1°F	42mi
Monterey	58.8°F	51mi

* current water temperature in this city

** straight line distance from San Jose