Simi Weather Forecast

    • 49
    • 88

    Sunny

    • 50
    • 90

    Sunny

    • 52
    • 90

    Sunny

    • 50
    • 91

    Sunny

    • 44
    • 89

    Sunny

    • 43
    • 82

    Mostly Sunny

Today 21 Oct North Bay Interior Valleys

Sunny. Highs in the mid 70s to upper 80s. Northwest Winds 10 to 15 Mph.

Tonight 21 Oct North Bay Interior Valleys

Clear. Lows in the mid 40s to lower 60s. Northwest Winds 5 to 10 Mph.

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Simi Temperature Statistics

October Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (9.9 miles)

  • Lowest 11 October, 2019

    34 °F
  • Average October

    57.7 °F
  • Highest 7 October, 2019

    90 °F

Climate (2010–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (9.9 miles)

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  • Average Low 2010–Present

    46.1 °F
  • Average 2010–Present

    56.7 °F
  • Average High 2010–Present

    72.1 °F
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