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Castaic Lake

Castaic Lake Current Water Temperature and Forecast

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

23.3°C

TODAY

23.4°C

YESTERDAY

24.8°C

A WEEK AGO

As of today, the minimum water temperature in the Castaic Lake ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.

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 Lake Over the Last 30 Days

Today the water temperature in Castaic Lake is lower than the same day in previous years. The water temperature range here in October is from 21°C to 26°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Castaic Lake 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
Sep 29	24.8°C	24.4°C
Sep 30	24.7°C	24.4°C
Oct 1	24.7°C	23.9°C
Oct 2	24.5°C	23.9°C
Oct 3	24.3°C	23.9°C
Oct 4	23.4°C	23.9°C
Oct 5	23.4°C	23.9°C
Oct 6	23.3°C	23.9°C
Oct 7		23.9°C	23.3°C
Oct 8		23.9°C	23.3°C
Oct 9		23.9°C	23.3°C
Oct 10		23.9°C	23.3°C
Oct 11		23.9°C	23.3°C
Oct 12		23.9°C	23.3°C
Oct 13		23.9°C	23.3°C
Oct 14		23.9°C	23.3°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 Lake by Month

January

Minimum	Average	Maximum
11°C	13.3°C	16°C

February

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

March

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

April

Minimum	Average	Maximum
13°C	16°C	19°C

May

Minimum	Average	Maximum
18°C	22°C	26°C

June

Minimum	Average	Maximum
19°C	23°C	27°C

July

Minimum	Average	Maximum
24°C	26.7°C	29°C

August

Minimum	Average	Maximum
24°C	26.1°C	29°C

September

Minimum	Average	Maximum
22°C	24.4°C	27°C

October

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

November

Minimum	Average	Maximum
19°C	21.1°C	24°C

December

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

Monthly Water Temperature Histogram for Castaic Lake

Known Beaches in the Area of Castaic Lake?

Castaic Lake

Castaic Lake is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Castaic Lake. 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.

Castaic Lake Weather

OCTOBER 7

13°C / 27°C

clear sky

rain: 0% | wind: 21 km/h

OCTOBER 8

13°C / 28°C

partly cloudy

rain: 0% | wind: 22 km/h

OCTOBER 9

15°C / 33°C

clear sky

rain: 2% | wind: 15 km/h

OCTOBER 10

18°C / 36°C

overcast

rain: 7% | wind: 15 km/h

Water Temperature in Castaic Lake: General Trends and Swimming Opportunities

Castaic Lake is located in the state of California, in the county of Los Angeles, at an elevation of 1486 feet (453 meters) above sea level.

Castaic Lake is a small lake. Its surface area is 3.52 sq mi (9.13 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Castaic Lake varies throughout the year, ranging from 46°F (8°C) in March to 84°F (29°C) in July. The average annual water temperature of the lake is 66°F (19°C). The months when the average water temperature in Castaic Lake exceeds 68 degrees Fahrenheit (20°C) are May, June, July, August, September, October and November.

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

Geographical Location of Castaic Lake

Nearby Lakes

Frequently Asked Questions About Castaic Lake and its Water Temperatures

What is the current water temperature in Castaic Lake?

The water temperature today in Castaic Lake is 74°F (23.3°C).

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

The average water temperature in Castaic Lake during the summer months is typically between 71°F to 80°F (22°C to 27°C), and it can reach up to 84°F (29°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Castaic Lake in May?

The average water temperature in Castaic Lake in May ranges from 70°F to 79°F (21°C to 26°C).

What is the water temperature in Castaic Lake in September?

The average water temperature in Castaic Lake in September is typically between 72°F to 81°F (22°C to 27°C).

Where is Castaic Lake located?

Castaic Lake is located in the United States in the state of California, in the county of Los Angeles, at an elevation of 1486 feet (453 meters) above sea level. The surface area of the lake is 3.523 sq mi (9.13 sq km).

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

Yes, it is possible to swim in Castaic Lake, California. The lake's designated swim beaches offer this opportunity during specific seasons and operating hours.

What are the coordinates of Castaic Lake?

Castaic Lake is located at coordinates 34.5420°N 118.6200°W.

Is Lake Castaic Lake a popular vacation spot among Americans?

Castaic Lake is quite popular among Americans and ranks among the top 500 lakes in the United States.