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

85.1

°F

June 29, 23:04

Trend:

stable

Yesterday:

85.1°F

Tomorrow:

85.0°F

Sunrise:

05:48

Sunset:

18:29

Day Length:

12 h. 41 min.

San Jose in July

Minimum:

81.5°F

Average:

83.1°F

Maximum:

84.6°F

Sea water temperature in San Jose today

As of now, in San Jose, the water temperature is 85.1°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 0.5°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

Today's water temperature slightly varies from the average of the past two weeks. 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 86.2°F on 2019, while the historical minimum was 84.6°F on 2015.

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 85.2°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
Jun 15 85.7°F 86.5°F 86.2°F
Jun 16 85.7°F 86.3°F 86.1°F
Jun 17 85.3°F 86.9°F 86.2°F
Jun 18 85.8°F 86.6°F 86.2°F
Jun 19 85.5°F 86.3°F 86.1°F
Jun 20 85.4°F 86.1°F 86.0°F
Jun 21 85.2°F 85.9°F 85.9°F
Jun 22 85.8°F 85.9°F 85.8°F
Jun 23 85.1°F 85.7°F 85.8°F
Jun 24 85.0°F 85.6°F 85.7°F
Jun 25 84.6°F 85.4°F 85.5°F
Jun 26 84.4°F 85.7°F 85.4°F
Jun 27 84.2°F 85.5°F 85.2°F
Jun 28 85.1°F 85.4°F 85.2°F
Jun 29 85.1°F 85.7°F 85.5°F
Jun 30 85.0°F 85.8°F 85.5°F
Jul 1 85.1°F 85.8°F 85.6°F
Jul 2 85.4°F 85.9°F 85.8°F
Jul 3 85.5°F 86.0°F 85.9°F
Jul 4 85.3°F 84.9°F 85.7°F
Jul 5 85.2°F 85.3°F 85.7°F
Jul 6 85.1°F 85.2°F 85.5°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 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 83.0°F in Winter, 85.2°F in Spring, 85.4°F in Summer, and 85.1°F in Autumn.