Simi Valley Weather Forecast

    • 59
    • 85

    Sunny

    • 60
    • 86

    Sunny

    • 59
    • 86

    Mostly Sunny

    • 61
    • 86

    Sunny

    • 63
    • 89

    Sunny

    • 65
    • 94

    Sunny

Today 2 Aug Southeastern Ventura County Valleys

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

Tonight 2 Aug Southeastern Ventura County Valleys

Mostly clear. Lows in the mid 50s to lower 60s.

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Simi Valley Temperature Statistics

August Temperature

Van Nuys, Van Nuys Airport (14.9 miles)

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  • Average August

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Climate (2020–Present)

Van Nuys, Van Nuys Airport (14.9 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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