Santa Susana Pass State Historic Park Weather Forecast

    • 58
    • 79

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 55
    • 79

    Sunny

    • 56
    • 81

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 53
    • 72

    Partly Sunny

Today 15 Dec Western San Fernando Valley

Sunny. Highs in the upper 70s to mid 80s. North Winds around 15 Mph in the afternoon.

Tonight 15 Dec Western San Fernando Valley

Clear. Lows in the mid 40s to mid 50s. North Winds around 15 Mph in the evening.

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Santa Susana Pass State Historic Park Temperature Statistics

December Temperature

Van Nuys, Van Nuys Airport (8.1 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    62.2 °F

  • Highest 10 December, 2025

    84 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (8.1 miles)

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  • Average Low 2020–2025

    56.5 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    79.3 °F
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