Guerneville Weather Forecast

    • 56
    • 64

    Rain Showers

    • 54
    • 63

    Rain Showers

    • 52
    • 67

    Partly Sunny

    • 51
    • 67

    Slight Chance Rain

    • 52
    • 72

    Mostly Cloudy

    • 52
    • 69

    Chance Rain

Today 4 Nov North Bay Interior Valleys

Mostly cloudy. Patchy dense fog in the morning. A slight chance of rain. Highs in the 60s to lower 70s. South Winds 10 to 20 Mph.

Tonight 4 Nov North Bay Interior Valleys

Breezy. A slight chance of rain in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Lows in the 50s. South Winds 20 to 30 Mph. Gusts up to 50 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guerneville Temperature Statistics

November Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (9.3 miles)

  • Lowest 1 November, 2025

    42.1 °F

  • Average November

    57.4 °F

  • Highest 1 November, 2025

    78.1 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (9.3 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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