Robert Louis Stevenson State Park Weather Forecast

    • 50
    • 58

    Gradual Clearing

    • 52
    • 61

    Mostly Sunny

    • 51
    • 59

    Chance Rain

    • 48
    • 57

    Chance Rain

    • 48
    • 52

    Chance Rain

    • 50
    • 54

    Slight Chance Rain

Today 22 Oct North Bay Interior Mountains

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 50s to upper 60s. West Winds 5 to 15 Mph.

Tonight 22 Oct North Bay Interior Mountains

Partly cloudy. Lows in the lower 50s. West Winds 5 to 15 Mph.

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Robert Louis Stevenson State Park Temperature Statistics

October Temperature

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

  • Lowest 12 October, 2025

    42.1 °F

  • Average October

    59.7 °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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