Castaic Lake State Recreation Area Weather Forecast

    • 61
    • 88

    Mostly Sunny

    • 59
    • 85

    Breezy

    • 61
    • 87

    Breezy

    • 62
    • 88

    Sunny

    • 60
    • 84

    Sunny

    • 55
    • 82

    Sunny

Today 15 Jun Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the lower to mid 90s at low Elevations to the 80s at high Elevations. Southwest Winds 15 to 25 Mph in the afternoon.

Tonight 15 Jun Western San Gabriel Mountains and Highway 14 Corridor

Clear. Lows in the upper 50s to mid 60s. West Winds around 15 Mph.

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Castaic Lake State Recreation Area Temperature Statistics

June Temperature

Sandberg (14.9 miles)

  • Lowest 3 June, 2025

    52.6 °F

  • Average June

    70 °F

  • Highest 10 June, 2025

    90.6 °F

Climate (2020–Present)

Sandberg (14.9 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    59 °F

  • Average High 2020–2025

    67.7 °F
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