Geyserville Weather Forecast

    • 43
    • 72

    Becoming Sunny

    • 42
    • 66

    Mostly Sunny

    • 41
    • 66

    Mostly Sunny

    • 41
    • 68

    Partly Sunny

    • 37
    • 63

    Partly Sunny

    • 37
    • 61

    Chance Rain

    • 37
    • 60

    Slight Chance Rain

Today 25 Oct North Bay Interior Valleys

Mostly cloudy. Highs in the 60s to mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 25 Oct North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Patchy fog after midnight. Lows in the upper 30s to mid 50s. West Winds 5 to 10 Mph.

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Geyserville Temperature Statistics

October Temperature

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

  • Lowest 14 October, 2026

    37.7 °F

  • Average October

    64.9 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (14.9 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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