Geyserville Weather Forecast

    • 49
    • 76

    Decreasing Clouds

    • 49
    • 79

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 51
    • 75

    Mostly Cloudy

    • 53
    • 69

    Chance Rain

    • 51
    • 64

    Rain Likely

Today 30 Oct North Bay Interior Valleys

Partly cloudy. Highs in the 60s to 70s. Southwest Winds 10 to 15 Mph.

Tonight 30 Oct North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Patchy fog after midnight. Lows in the 40s to mid 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Geyserville Temperature Statistics

October Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (14.9 miles)

  • Lowest 12 October, 2025

    42.1 °F

  • Average October

    59.1 °F

  • Highest 7 October, 2025

    89.1 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (14.9 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    72.6 °F
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