Guerneville Weather Forecast

    • 51
    • 60

    Rain

    • 49
    • 60

    Rain

    • 41
    • 60

    Rain Likely

    • 45
    • 62

    Chance Rain

    • 47
    • 56

    Rain Likely

    • 47
    • 61

    Chance Rain

Today 26 Mar North Bay Interior Valleys

Mostly cloudy. A slight chance of rain in the afternoon. Highs in the 50s to mid 60s. South Winds 10 to 20 Mph.

Tonight 26 Mar North Bay Interior Valleys

Mostly cloudy. A chance of rain. Lows in the upper 40s to mid 50s. South Winds 10 to 20 Mph.

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Guerneville Temperature Statistics

March Temperature

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

  • Lowest 9 March, 2025

    33.7 °F

  • Average March

    51.9 °F

  • Highest 24 March, 2025

    82.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.8 °F
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