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 16.2°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.

61.2

°F

April 22, 15:21

Trend:

stable

Yesterday:

62.0°F

Tomorrow:

61.5°F

Sunrise:

06:24

Sunset:

19:49

Day Length:

13 h. 25 min.

San Jose in April

Minimum:

51.9°F

Average:

53.1°F

Maximum:

54.6°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 61.2°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 1.7°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 63.1°F on 2024, while the historical minimum was 56.4°F on 2017.

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 61.5°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
Apr 8	62.6°F	57.4°F	57.6°F
Apr 9	62.9°F	57.6°F	57.8°F
Apr 10	64.2°F	58.6°F	58.5°F
Apr 11	63.8°F	59.5°F	58.4°F
Apr 12	63.7°F	58.8°F	58.6°F
Apr 13	63.3°F	59.0°F	58.5°F
Apr 14	62.9°F	61.2°F	58.6°F
Apr 15	61.9°F	61.4°F	58.5°F
Apr 16	61.4°F	60.9°F	58.5°F
Apr 17	61.4°F	60.5°F	58.7°F
Apr 18	61.3°F	62.4°F	59.0°F
Apr 19	61.1°F	61.3°F	59.0°F
Apr 20	61.2°F	61.2°F	59.3°F
Apr 21	62.0°F	62.0°F	59.7°F
Apr 22	61.2°F	62.6°F	59.5°F
Apr 23	61.5°F	62.6°F	59.9°F
Apr 24	61.8°F	62.4°F	60.1°F
Apr 25	61.7°F	61.9°F	60.0°F
Apr 26	61.4°F	61.3°F	59.8°F
Apr 27	61.6°F	60.8°F	59.9°F
Apr 28	61.4°F	60.2°F	59.7°F
Apr 29	61.2°F	59.5°F	59.5°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, 58.4°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	61.7°F	21mi
Oakland	61.1°F	38mi
San Francisco	60.2°F	42mi
Monterey	55.6°F	51mi

* current water temperature in this city

** straight line distance from San Jose