Castaic Lagoon Weather Forecast

    • 62
    • 97

    Hot

    • 62
    • 100

    Hot

    • 60
    • 98

    Sunny

    • 58
    • 89

    Sunny

    • 55
    • 86

    Sunny

    • 53
    • 81

    Sunny

    • 55
    • 84

    Sunny

Today 16 Jun Santa Clarita Valley

Sunny. Highs 95 to 100. Southwest Winds 10 to 20 Mph in the afternoon.

Tonight 16 Jun Santa Clarita Valley

Mostly clear. Lows in the upper 50s to mid 60s. Southwest Winds 10 to 20 Mph shifting to the north after midnight.

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Castaic Lagoon Temperature Statistics

June Temperature

Van Nuys, Van Nuys Airport (21.1 miles)

  • Lowest 7 June, 2025

    57.7 °F

  • Average June

    70 °F

  • Highest 14 June, 2025

    90 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (21.1 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    79.6 °F
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