Upper Stone Canyon Reservoir Weather Forecast

    • 64
    • 84

    Gradual Clearing

    • 68
    • 88

    Mostly Sunny

    • 69
    • 92

    Mostly Sunny

    • 73
    • 97

    Hot

    • 73
    • 94

    Sunny

    • 71
    • 93

    Sunny

Today 30 Sep Eastern Santa Monica Mountains Recreational Area

Low Clouds and fog in the morning then sunny. Highs in the upper 70s and 80s.

Tonight 30 Sep Eastern Santa Monica Mountains Recreational Area

Mostly clear except for patchy low Clouds and fog after midnight. Lows in the 50s to lower 60s.

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Upper Stone Canyon Reservoir Temperature Statistics

September Temperature

Van Nuys, Van Nuys Airport (6.2 miles)

  • Lowest 2 September, 2026

    60.7 °F

  • Average September

    77 °F

  • Highest 9 September, 2026

    107.7 °F

Climate (2021–2026)

Van Nuys, Van Nuys Airport (6.2 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    79.6 °F
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