Chatsworth Park South Weather Forecast

    • 63
    • 94

    Becoming Sunny

    • 66
    • 98

    Slight Chance Thunderstorms

    • 69
    • 99

    Hot

    • 66
    • 96

    Chance Rain Showers

    • 64
    • 91

    Slight Chance Thunderstorms

    • 62
    • 90

    Mostly Sunny

Today 15 Sep Western San Fernando Valley

Low Clouds and fog in the morning then sunny. Highs in the lower to mid 90s.

Tonight 15 Sep Western San Fernando Valley

Clear. Lows in the mid 60s to around 70.

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Chatsworth Park South Temperature Statistics

September Temperature

Van Nuys, Van Nuys Airport (7.5 miles)

  • Lowest 11 September, 2025

    61 °F

  • Average September

    76.4 °F

  • Highest 2 September, 2025

    99 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (7.5 miles)

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  • Average Low 2020–2025

    56.6 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    79.6 °F
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