National Weather Service forecast

Castaic, California Weather

49°Tonight: Clear
Wind NNW 10 to 15 mph
7-DayHourlyRadar

Castaic 7-Day Forecast

  1. Tonight
    49°F
    Clear

    Clear, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

  2. Wednesday
    72°F
    Sunny

    Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.

  3. Wednesday Night
    52°F
    Partly Cloudy

    Partly cloudy, with a low around 52. North northeast wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    74°F
    Mostly Sunny

    Mostly sunny, with a high near 74. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

  5. Thursday Night
    54°F
    Mostly Clear

    Mostly clear, with a low around 54. North northeast wind 10 to 20 mph, with gusts as high as 30 mph.

  6. Friday
    76°F
    Sunny

    Sunny, with a high near 76.

  7. Friday Night
    55°F
    Clear

    Clear, with a low around 55.

  8. Saturday
    77°F
    Sunny

    Sunny, with a high near 77.

  9. Saturday Night
    55°F
    Clear

    Clear, with a low around 55.

  10. Sunday
    78°F
    Sunny

    Sunny, with a high near 78.

  11. Sunday Night
    56°F
    Mostly Clear

    Mostly clear, with a low around 56.

  12. Monday
    78°F
    Sunny

    Sunny, with a high near 78.

  13. Monday Night
    55°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 55.

  14. Tuesday
    77°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 77.

Issued by the National Weather Service (LOX office), updated .

Castaic Hourly Forecast

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Full 100+ hour forecast for Castaic

Castaic Weather Radar

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About Castaic

Population (2020 Census)
18,937
Coordinates
34.477, -118.633
Elevation
1,781 ft
NWS forecast office
LOX
Time zone
America/Los Angeles
Sunrise today
6:16 AM PST
Sunset today
4:59 PM PST
Daylight today
10 h 43 min

Castaic Weather Questions

What is the weather forecast for Castaic, California?

Tonight: Clear, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Wednesday: Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.

Will it rain or snow in Castaic this week?

Not much. The highest chance of precipitation in the 7-day forecast is 1%, Monday Night.

How warm and how cold will it get in Castaic this week?

The warmest day is Sunday, with a high near 78°F. The coldest night is Tonight, with a low near 49°F.

What time are sunrise and sunset in Castaic today?

Sunrise is at 6:16 AM PST and sunset is at 4:59 PM PST, for 10 h 43 min of daylight.

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