Simi Valley Weather Forecast

    • 50
    • 68

    Gradual Clearing

    • 49
    • 67

    Mostly Cloudy

    • 49
    • 68

    Partly Sunny

    • 55
    • 77

    Sunny

    • 59
    • 85

    Sunny

    • 59
    • 88

    Mostly Sunny

Today 3 May Southeastern Ventura County Valleys

Mostly cloudy. Highs in the mid to upper 60s. Southwest Winds around 15 Mph in the afternoon.

Tonight 3 May Southeastern Ventura County Valleys

Mostly clear in the evening then cloudy. Lows in the mid to upper 40s. Southwest Winds around 15 Mph in the evening.

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Simi Valley Temperature Statistics

May Temperature

Van Nuys, Van Nuys Airport (14.9 miles)

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  • Average May

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Climate (2021–Present)

Van Nuys, Van Nuys Airport (14.9 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    79.6 °F
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