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 16.58°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.

61.8

°F

November 3, 09:49

Trend:

stable

Yesterday:

62.0°F

Tomorrow:

62.3°F

Sunrise:

06:34

Sunset:

17:08

Day Length:

10 h. 34 min.

San Jose in November

Minimum:

52.4°F

Average:

53.1°F

Maximum:

54.4°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 61.8°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 1.6°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 62.5°F on 2025, while the historical minimum was 57.8°F on 2017.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 62.1°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
Oct 20	62.3°F	63.7°F	62.7°F
Oct 21	62.5°F	64.2°F	62.8°F
Oct 22	63.3°F	64.9°F	62.8°F
Oct 23	63.0°F	64.7°F	62.6°F
Oct 24	62.2°F	64.8°F	62.5°F
Oct 25	62.7°F	64.6°F	62.5°F
Oct 26	63.2°F	64.1°F	62.2°F
Oct 27	63.1°F	64.1°F	61.8°F
Oct 28	63.1°F	63.2°F	61.5°F
Oct 29	62.9°F	63.0°F	61.3°F
Oct 30	62.6°F	62.6°F	61.0°F
Oct 31	62.5°F	63.1°F	60.9°F
Nov 1	62.3°F	63.2°F	60.7°F
Nov 2	62.0°F	63.0°F	60.4°F
Nov 3	61.8°F	62.5°F	60.2°F
Nov 4	62.3°F	64.3°F	60.7°F
Nov 5	62.5°F	65.6°F	60.9°F
Nov 6	62.2°F	63.3°F	60.6°F
Nov 7	62.2°F	62.5°F	60.6°F
Nov 8	62.0°F	61.7°F	60.4°F
Nov 9	61.9°F	61.7°F	60.3°F
Nov 10	61.5°F	61.5°F	59.9°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.

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, 58.6°F in Spring, 65.0°F in Summer, and 62.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Redwood City	63.1°F	21mi
Oakland	62.2°F	38mi
San Francisco	62.0°F	42mi
Monterey	65.8°F	51mi

* current water temperature in this city

** straight line distance from San Jose