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 15.68°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

60.2

°F

November 21, 08:16

Trend:

stable

Yesterday:

60.7°F

Tomorrow:

60.2°F

Sunrise:

06:53

Sunset:

16:54

Day Length:

10 h. 1 min.

San Jose in November

Minimum:

52.4°F

Average:

53.2°F

Maximum:

55.4°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 60.2°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.6°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 stay about the same.

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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 59.9°F on 2021, while the historical minimum was 53.7°F on 2022.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 59.5°F, the minimum temperature may reach 58.9°F, and the maximum might stay at 60.2°F.

Daily water temperature in San Jose

Date	Current Year actual* / forecast**	last year	10 years average
Nov 7	62.5°F	58.7°F	60.4°F
Nov 8	61.7°F	57.8°F	60.2°F
Nov 9	61.7°F	57.8°F	60.2°F
Nov 10	61.5°F	57.4°F	59.7°F
Nov 11	61.4°F	56.8°F	59.2°F
Nov 12	61.2°F	56.6°F	59.0°F
Nov 13	63.9°F	56.7°F	59.1°F
Nov 14	63.1°F	56.3°F	58.7°F
Nov 15	62.3°F	56.7°F	58.5°F
Nov 16	61.8°F	56.8°F	58.3°F
Nov 17	61.6°F	56.4°F	58.3°F
Nov 18	61.4°F	56.5°F	58.4°F
Nov 19	61.2°F	56.2°F	58.3°F
Nov 20	60.7°F	55.7°F	58.1°F
Nov 21	60.2°F	55.7°F	57.6°F
Nov 22	60.2°F	55.7°F	57.6°F
Nov 23	60.1°F	55.6°F	57.4°F
Nov 24	59.8°F	55.6°F	57.1°F
Nov 25	59.4°F	55.2°F	56.8°F
Nov 26	58.9°F	55.2°F	56.3°F
Nov 27	59.1°F	55.2°F	56.4°F
Nov 28	59.1°F	55.2°F	56.4°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 53.8°F in Winter, 57.9°F in Spring, 64.1°F in Summer, and 62.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Redwood City	60.0°F	21mi
Oakland	59.3°F	38mi
San Francisco	58.9°F	42mi
Monterey	58.5°F	51mi

* current water temperature in this city

** straight line distance from San Jose