Guerneville Weather Forecast

    • 48
    • 67

    Breezy

    • 43
    • 66

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 41
    • 60

    Mostly Sunny

    • 41
    • 61

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

Today 21 Jan North Bay Interior Valleys

Sunny. Very windy. Highs in the 60s. North Winds 35 to 45 Mph.

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Guerneville Temperature Statistics

January Temperature

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

  • Lowest 2 January, 2022

    26.1 °F
  • Average January

    45.2 °F
  • Highest 14 January, 2022

    66.9 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    45.4 °F
  • Average 2010–Present

    56.2 °F
  • Average High 2010–Present

    72.2 °F
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