Castaic Lake State Recreation Area Weather Forecast

    • 54
    • 76

    Sunny

    • 51
    • 71

    Partly Sunny

    • 52
    • 70

    Mostly Sunny

    • 55
    • 71

    Sunny

    • 59
    • 74

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

Today 24 Oct Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the mid 70s to lower 80s at low Elevations to the upper 60s to mid 70s at high Elevations.

Tonight 24 Oct Western San Gabriel Mountains and Highway 14 Corridor

Clear. Lows in the upper 40s to mid 50s.

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Castaic Lake State Recreation Area Temperature Statistics

October Temperature

Sandberg (14.9 miles)

  • Lowest 15 October, 2025

    36 °F

  • Average October

    57.1 °F

  • Highest 10 October, 2025

    77 °F

Climate (2020–Present)

Sandberg (14.9 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    59.2 °F

  • Average High 2020–2025

    68 °F
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