Robert Louis Stevenson State Park Weather Forecast

    • 41
    • 50

    Increasing Clouds

    • 43
    • 49

    Rain Likely

    • 43
    • 53

    Partly Sunny

    • 47
    • 58

    Mostly Cloudy

    • 47
    • 57

    Mostly Cloudy

    • 49
    • 58

    Chance Rain

    • 46
    • 56

    Chance Rain

Today 26 Jan North Bay Interior Mountains

Sunny late in the morning then becoming partly cloudy. Highs in the 50s. Southeast Winds 5 to 15 Mph.

Tonight 26 Jan North Bay Interior Mountains

Partly cloudy. Lows in the upper 30s to mid 40s. Southeast Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Robert Louis Stevenson State Park Temperature Statistics

January Temperature

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

  • Lowest 13 January, 2026

    30.7 °F

  • Average January

    50.4 °F

  • Highest 24 January, 2026

    71.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.5 °F
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