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

83.2

°F

March 25, 20:48

Trend:

decreasing

Yesterday:

83.3°F

Tomorrow:

83.2°F

Sunrise:

06:07

Sunset:

18:16

Day Length:

12 h. 9 min.

San Jose in April

Minimum:

82.3°F

Average:

83.6°F

Maximum:

85.7°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 83.2°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.1°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 85.3°F on 2022, while the historical minimum was 82.9°F on 2017.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.2°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 11 82.9°F 84.7°F 83.3°F
Mar 12 82.6°F 84.7°F 83.1°F
Mar 13 83.0°F 84.6°F 83.3°F
Mar 14 82.9°F 85.2°F 83.3°F
Mar 15 82.4°F 85.3°F 83.2°F
Mar 16 81.9°F 85.4°F 83.4°F
Mar 17 81.8°F 85.1°F 83.6°F
Mar 18 81.9°F 84.3°F 83.5°F
Mar 19 82.4°F 83.4°F 83.6°F
Mar 20 82.9°F 84.0°F 83.8°F
Mar 21 83.2°F 83.1°F 83.8°F
Mar 22 82.9°F 83.0°F 83.8°F
Mar 23 83.0°F 83.2°F 83.9°F
Mar 24 83.3°F 83.3°F 84.1°F
Mar 25 83.2°F 83.8°F 84.4°F
Mar 26 83.2°F 84.2°F 84.3°F
Mar 27 83.3°F 84.9°F 84.4°F
Mar 28 83.1°F 85.0°F 84.3°F
Mar 29 83.1°F 84.5°F 84.3°F
Mar 30 83.1°F 84.4°F 84.2°F
Mar 31 83.1°F 84.3°F 84.2°F
Apr 1 83.3°F 84.6°F 84.4°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 San Jose, the water temperature is comfortable for swimming all year round.
The warmest water in San Jose was recorded on May 24, 2024, reaching a 89.5°F. While the coldest temperature occurred on February 28, 2016, dipping to 79.3°F. The average readings by season are 83.2°F in Winter, 85.3°F in Spring, 85.5°F in Summer, and 85.1°F in Autumn.