Castaic Weather Forecast

    • 47
    • 58

    Rain Showers Likely

    • 44
    • 59

    Rain

    • 36
    • 55

    Rain Showers

    • 41
    • 54

    Chance Rain Showers

    • 42
    • 63

    Mostly Sunny

    • 45
    • 68

    Mostly Cloudy

    • 41
    • 64

    Chance Rain

Today 11 Mar Santa Clarita Valley

Rain likely. Highs in the mid 50s. Chance of precipitation 70 percent.

Tonight 11 Mar Santa Clarita Valley

Partly cloudy with a 20 percent chance of Showers in the Evening, becoming mostly cloudy after midnight. Lows in the mid to upper 40s.

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Castaic Temperature Statistics

March Temperature

Van Nuys, Van Nuys Airport (20.5 miles)

  • Lowest 8 March, 2025

    41 °F

  • Average March

    55.7 °F

  • Highest 9 March, 2025

    72 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (20.5 miles)

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  • Average Low 2020–2025

    56.9 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    79.7 °F
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