Simi Valley Weather Forecast

    • 49
    • 65

    Decreasing Clouds

    • 50
    • 69

    Partly Sunny

    • 48
    • 70

    Partly Sunny

    • 48
    • 71

    Mostly Cloudy

    • 50
    • 62

    Rain Likely

    • 47
    • 59

    Chance Rain

Today 31 Jan Southeastern Ventura County Valleys

Partly cloudy. Highs in the lower to mid 60s.

Tonight 31 Jan Southeastern Ventura County Valleys

Partly cloudy. Lows in the mid 40s to lower 50s.

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Simi Valley Temperature Statistics

January Temperature

Van Nuys, Van Nuys Airport (14.9 miles)

  • Lowest 28 January, 2025

    37.9 °F

  • Average January

    58 °F

  • Highest 2 January, 2025

    80.7 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (14.9 miles)

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  • Average Low 2020–2025

    56.9 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    79.7 °F
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