Old Topanga Weather Forecast

    • 65
    • 96

    Mostly Sunny

    • 65
    • 97

    Hot

    • 66
    • 94

    Mostly Sunny

    • 66
    • 94

    Mostly Sunny

    • 66
    • 95

    Mostly Sunny

    • 66
    • 95

    Mostly Sunny

Today 19 Aug Eastern Santa Monica Mountains Recreational Area

Sunny. Highs 91 to 101 except the lower to mid 80s closer to the coast.

Tonight 19 Aug Eastern Santa Monica Mountains Recreational Area

Mostly clear in the evening then mostly cloudy. Lows in the mid 60s to around 70.

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Old Topanga Temperature Statistics

August Temperature

Van Nuys, Van Nuys Airport (9.9 miles)

  • Lowest 16 August, 2026

    62.7 °F

  • Average August

    81 °F

  • Highest 8 August, 2026

    101.6 °F

Climate (2021–2026)

Van Nuys, Van Nuys Airport (9.9 miles)

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  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    79.5 °F
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