Old Topanga Weather Forecast

    • 55
    • 84

    Increasing Clouds

    • 54
    • 80

    Gradual Clearing

    • 55
    • 79

    Patchy Fog

    • 57
    • 81

    Patchy Fog

    • 58
    • 84

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

Today 14 Jul Eastern Santa Monica Mountains Recreational Area

Low Clouds and fog with drizzle in the morning then sunny. Highs in the upper 70s to mid 80s except around 70 closer to the coast.

Tonight 14 Jul Eastern Santa Monica Mountains Recreational Area

Partly cloudy in the evening then mostly cloudy. Lows in the 50s to around 60.

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Old Topanga Temperature Statistics

July Temperature

Van Nuys, Van Nuys Airport (9.9 miles)

  • Lowest 7 July, 2025

    58.6 °F

  • Average July

    75 °F

  • Highest 9 July, 2025

    97.6 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (9.9 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    79.7 °F
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