Stevenson Ranch Weather Forecast

    • 60
    • 87

    Increasing Clouds

    • 57
    • 83

    Mostly Cloudy

    • 56
    • 78

    Partly Sunny

    • 59
    • 82

    Sunny

    • 62
    • 91

    Sunny

    • 62
    • 91

    Mostly Sunny

Today 19 Sep Santa Susana Mountains

Sunny. Highs in the upper 70s to mid 80s.

Tonight 19 Sep Santa Susana Mountains

Mostly clear except for patchy low Clouds and fog after midnight. Lows around 60.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stevenson Ranch Temperature Statistics

September Temperature

Van Nuys, Van Nuys Airport (13.7 miles)

  • Lowest 2 September, 2026

    60.7 °F

  • Average September

    77.5 °F

  • Highest 9 September, 2026

    107.7 °F

Climate (2021–2026)

Van Nuys, Van Nuys Airport (13.7 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.7 °F

  • Average High 2021–2026

    79.5 °F
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