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Castaic Lagoon

Castaic Lagoon Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Castaic Lagoon, 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

11.4°C

TODAY

11.3°C

YESTERDAY

11.3°C

A WEEK AGO

As of today, the minimum water temperature in the Castaic Lagoon ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.

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 Castaic Lagoon Over the Last 30 Days

Today the water temperature in Castaic Lagoon is higher than the same day in previous years. The water temperature range here in February is from 9°C to 14°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for Castaic Lagoon 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

Date	Current	Average	Forecast
Feb 16	11.3°C	11.1°C
Feb 17	11.3°C	11.1°C
Feb 18	11.3°C	11.1°C
Feb 19	11.4°C	11.1°C
Feb 20	11.3°C	11.1°C
Feb 21	11.2°C	11.1°C
Feb 22	11.3°C	11.1°C
Feb 23	11.4°C	11.1°C
Feb 24		11.1°C	11.4°C
Feb 25		11.1°C	11.4°C
Feb 26		11.1°C	11.4°C
Feb 27		11.1°C	11.4°C
Feb 28		11.1°C	11.4°C
Mar 1		12.8°C	11.5°C
Mar 2		12.8°C	11.6°C
Mar 3		12.8°C	11.7°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Water Temperature Ranges in Castaic Lagoon by Month

January

Minimum	Average	Maximum
8°C	10.6°C	13°C

February

Minimum	Average	Maximum
9°C	11.1°C	14°C

March

Minimum	Average	Maximum
10°C	12.8°C	15°C

April

Minimum	Average	Maximum
14°C	16.1°C	19°C

May

Minimum	Average	Maximum
17°C	19.4°C	22°C

June

Minimum	Average	Maximum
21°C	23.9°C	26°C

July

Minimum	Average	Maximum
26°C	28.3°C	31°C

August

Minimum	Average	Maximum
27°C	29.4°C	32°C

September

Minimum	Average	Maximum
26°C	28.3°C	31°C

October

Minimum	Average	Maximum
20°C	22.8°C	25°C

November

Minimum	Average	Maximum
16°C	18.9°C	21°C

December

Minimum	Average	Maximum
11°C	13.9°C	16°C

Monthly Water Temperature Histogram for Castaic Lagoon

Known Beaches in the Area of Castaic Lagoon?

Castaic Lake

Castaic Lake is a 3-stars sandy beach, is located directly in Castaic Lagoon. There is parking. There are restrooms. Castaic Lake is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Castaic Lagoon Weather

FEBRUARY 24

13°C / 26°C

clear sky

rain: 0% | wind: 19 km/h

FEBRUARY 25

13°C / 29°C

clear sky

rain: 0% | wind: 15 km/h

FEBRUARY 26

13°C / 28°C

overcast

rain: 0% | wind: 16 km/h

FEBRUARY 27

14°C / 26°C

overcast

rain: 5% | wind: 24 km/h

FEBRUARY 28

8°C / 20°C

mainly clear

rain: 13% | wind: 18 km/h

Water Temperature in Castaic Lagoon: General Trends and Swimming Opportunities

Castaic Lagoon is located in the state of California, in the county of Los Angeles, at an elevation of 1131 feet (345 meters) above sea level.

Castaic Lagoon is a very small lake. Its surface area is 193 acres (0.780 sq km). These lakes often resemble large ponds and are commonly found in rural or mountainous areas.

The water temperature in Castaic Lagoon varies throughout the year, ranging from 46°F (8°C) in January to 90°F (32°C) in August. The average annual water temperature of the lake is 68°F (20°C). The months when the average water temperature in Castaic Lagoon exceeds 68 degrees Fahrenheit (20°C) are June, July, August, September and October.

The nearest cities ans towns to Castaic Lagoon are: Castaic, Valencia, Val Verde, Stevenson Ranch, Santa Clarita, Canyon Country, Piru, Green Valley, Agua Dulce, Santa Susana in California.

Geographical Location of Castaic Lagoon

Nearby Lakes

Frequently Asked Questions About Castaic Lagoon and its Water Temperatures

What is the current water temperature in Castaic Lagoon?

The water temperature today in Castaic Lagoon is 53°F (11.4°C).

What is the water temperature in Castaic Lagoon during the summer months?

The average water temperature in Castaic Lagoon during the summer months is typically between 75°F to 85°F (24°C to 29°C), and it can reach up to 90°F (32°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Castaic Lagoon in May?

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

What is the water temperature in Castaic Lagoon in September?

The average water temperature in Castaic Lagoon in September is typically between 79°F to 88°F (26°C to 31°C).

Where is Castaic Lagoon located?

Castaic Lagoon is located in the United States in the state of California, in the county of Los Angeles, at an elevation of 1131 feet (345 meters) above sea level. The surface area of the lake is 0.301 sq mi (0.78 sq km).

Is it possible to swim in Castaic Lagoon and what are the possibilities for this?

Yes, it is possible to swim in Castaic Lagoon, California. However, swimming is allowed only in designated areas during the summer season.

What are the coordinates of Castaic Lagoon?

Castaic Lagoon is located at coordinates 34.5060°N 118.6100°W.

Is Lake Castaic Lagoon a popular vacation spot among Americans?

Castaic Lagoon is among the top 1,000 most popular lakes in the United States, which is impressive considering there are tens of thousands of lakes in the country.