Winnetka Weather Forecast

    • 44
    • 71

    Sunny

    • 46
    • 77

    Sunny

    • 49
    • 80

    Sunny

    • 50
    • 85

    Sunny

    • 49
    • 87

    Sunny

    • 49
    • 85

    Sunny

Today 6 Dec Western San Fernando Valley

Sunny. Highs in the upper 60s to mid 70s.

Tonight 6 Dec Western San Fernando Valley

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

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Winnetka Temperature Statistics

December Temperature

Van Nuys, Van Nuys Airport (4.3 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    57 °F

  • Highest 1 December, 2025

    71.1 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (4.3 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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