Simi Valley Weather Forecast

    • 67
    • 98

    Hot

    • 64
    • 94

    Mostly Sunny

    • 63
    • 92

    Sunny

    • 64
    • 89

    Sunny

    • 64
    • 90

    Sunny

    • 64
    • 90

    Mostly Sunny

Today 1 Aug Southeastern Ventura County Valleys

Sunny except for patchy low Clouds and fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs 90 to 100.

Tonight 1 Aug Southeastern Ventura County Valleys

Mostly clear. Lows in the mid to upper 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 (2021–2026)

Van Nuys, Van Nuys Airport (14.9 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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