Castaic Lake State Recreation Area Weather Forecast

    • 68
    • 81

    Mostly Sunny

    • 67
    • 82

    Sunny

    • 65
    • 80

    Sunny

    • 67
    • 79

    Mostly Sunny

    • 69
    • 81

    Mostly Sunny

    • 68
    • 80

    Mostly Sunny

Today 23 Mar Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the 80s at low Elevations to the mid to upper 70s at high Elevations. Northwest Winds 15 to 25 Mph.

Tonight 23 Mar Western San Gabriel Mountains and Highway 14 Corridor

Mostly clear. Lows in the mid 50s to lower 60s. Northwest Winds 15 to 25 Mph.

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Castaic Lake State Recreation Area Temperature Statistics

March Temperature

Sandberg (14.9 miles)

  • Lowest 5 March, 2026

    34.6 °F

  • Average March

    58.6 °F

  • Highest 20 March, 2026

    84.7 °F

Climate (2021–Present)

Sandberg (14.9 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    68.1 °F
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