All data are in degrees Fahrenheit

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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.
Sea temperature in San Jose now

78.6

°F

February 6, 21:16

Trend:

decreasing

Yesterday:

79.0°F

Tomorrow:

78.4°F

Sunrise:

06:23

Sunset:

17:58

Day Length:

11 h. 35 min.

San Jose in February

Minimum:

79.4°F

Average:

81.0°F

Maximum:

82.3°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 78.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°F lower 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 fall 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 falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 80.3°F on 2022, while the historical minimum was 77.7°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.5°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
Jan 23 80.7°F 80.4°F 80.2°F
Jan 24 80.0°F 79.8°F 80.1°F
Jan 25 80.3°F 79.5°F 80.1°F
Jan 26 80.0°F 80.2°F 80.0°F
Jan 27 79.8°F 80.4°F 80.0°F
Jan 28 80.0°F 80.3°F 79.9°F
Jan 29 79.5°F 80.3°F 79.8°F
Jan 30 79.5°F 80.1°F 79.8°F
Jan 31 79.4°F 80.1°F 79.7°F
Feb 1 79.2°F 80.3°F 79.6°F
Feb 2 79.1°F 80.1°F 79.5°F
Feb 3 79.3°F 79.9°F 79.3°F
Feb 4 79.1°F 80.3°F 79.3°F
Feb 5 79.0°F 80.2°F 79.2°F
Feb 6 78.6°F 80.2°F 79.4°F
Feb 7 78.4°F 80.0°F 79.2°F
Feb 8 78.4°F 79.8°F 79.2°F
Feb 9 78.4°F 79.7°F 79.3°F
Feb 10 78.5°F 80.2°F 79.3°F
Feb 11 78.5°F 80.2°F 79.4°F
Feb 12 78.5°F 80.2°F 79.3°F
Feb 13 78.5°F 80.4°F 79.3°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 San Jose, the water temperature is comfortable for swimming all year round.
The warmest water in San Jose was recorded on June 23, 2024, reaching a 87.6°F. While the coldest temperature occurred on February 28, 2016, dipping to 77.5°F. The average readings by season are 80.6°F in Winter, 82.9°F in Spring, 85.4°F in Summer, and 84.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Diego 79.5°F 25mi
Calamba 78.1°F 29mi
San Juan 78.4°F 30mi

* current water temperature in this city

** straight line distance from San Jose