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California Delta

California Delta Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in California Delta, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Lake Water Temperature Information

72°F

TODAY

72°F

YESTERDAY

74°F

A WEEK AGO

As of today, the minimum water temperature in the California Delta ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for California Delta Over the Last 30 Days

Today the water temperature in California Delta is lower than the same day in previous years. The water temperature range here in June is from 70°F to 79°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for California Delta are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Daily Water Temperature Chart

DateCurrentAverageForecast
Jun 2374°F74°F
Jun 2474°F74°F
Jun 2574°F74°F
Jun 2674°F74°F
Jun 2774°F74°F
Jun 2874°F74°F
Jun 2972°F74°F
Jun 3072°F74°F
Jul 174°F73°F
Jul 274°F73°F
Jul 374°F73°F
Jul 474°F73°F
Jul 574°F73°F
Jul 674°F73°F
Jul 774°F73°F
Jul 874°F73°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in California Delta by Month

January

MinimumAverageMaximum
43°F47°F52°F

February

MinimumAverageMaximum
43°F48°F54°F

March

MinimumAverageMaximum
48°F54°F59°F

April

MinimumAverageMaximum
57°F62°F66°F

May

MinimumAverageMaximum
63°F67°F72°F

June

MinimumAverageMaximum
70°F74°F79°F

July

MinimumAverageMaximum
70°F74°F79°F

August

MinimumAverageMaximum
70°F75°F79°F

September

MinimumAverageMaximum
66°F70°F75°F

October

MinimumAverageMaximum
63°F67°F72°F

November

MinimumAverageMaximum
54°F58°F63°F

December

MinimumAverageMaximum
46°F51°F55°F

Monthly Water Temperature Histogram for California Delta

California Delta Weather

JULY 1

57°F / 99°F
clear sky

rain: 1% | wind: 16 mph

JULY 2

59°F / 97°F
partly cloudy

rain: 1% | wind: 16 mph

JULY 3

55°F / 97°F
clear sky

rain: 0% | wind: 14 mph

Water Temperature in California Delta: General Trends and Swimming Opportunities

California Delta is located in the state of California, in the county of Contra Costa, at an elevation of 0 feet (0 meters) above sea level.

California Delta is a small lake. Its surface area is 0.48 sq mi (1.25 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in California Delta varies throughout the year, ranging from 43°F (6°C) in January to 79°F (26°C) in June. The average annual water temperature of the lake is 63°F (17°C). The months when the average water temperature in California Delta exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

The nearest cities ans towns to California Delta are: Bethel Island, Oakley, Knightsen, Rio Vista, Brentwood, Antioch, Discovery Bay, Byron, Pittsburg, Walnut Grove in California.

Geographical Location of California Delta

Frequently Asked Questions About California Delta and its Water Temperatures

What is the current water temperature in California Delta?

The water temperature today in California Delta is 72°F (22.4°C).

What is the water temperature in California Delta during the summer months?

The average water temperature in California Delta during the summer months is typically between 75°F to 75°F (24°C to 24°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in California Delta in May?

The average water temperature in California Delta in May ranges from 63°F to 72°F (17°C to 22°C).

What is the water temperature in California Delta in September?

The average water temperature in California Delta in September is typically between 66°F to 75°F (19°C to 24°C).

Where is California Delta located?

California Delta is located in the United States in the state of California, in the county of Contra Costa, at an elevation of 0 feet (0 meters) above sea level. The surface area of the lake is 0.484 sq mi (1.25 sq km).

Is it possible to swim in California Delta and what are the possibilities for this?

Yes, it is possible to swim in the California Delta, with numerous recreational areas and beaches available for swimming. However, it's vital to consider water safety levels due to currents and boating activities.

What are the coordinates of California Delta?

California Delta is located at coordinates 38.0490°N 121.6430°W.

Is Lake California Delta a popular vacation spot among Americans?

California Delta is very popular in the United States and ranks among the top 20 lakes in the country in terms of interest, recreational opportunities, and fishing.