Guernewood Weather Forecast

    • 51
    • 78

    Mostly Sunny

    • 55
    • 87

    Sunny

    • 54
    • 88

    Sunny

    • 49
    • 82

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 46
    • 66

    Chance Rain

Today 14 Oct North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Northeast Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 14 Oct North Bay Interior Valleys

Mostly clear. Lows in the mid 40s to upper 50s. West Winds 5 to 10 Mph. Becoming north after midnight.

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Guernewood Temperature Statistics

October Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (10.6 miles)

  • Lowest 11 October, 2026

    42.1 °F

  • Average October

    69.1 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (10.6 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    73 °F
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