Robert Louis Stevenson State Park Weather Forecast

    • 43
    • 56

    Chance Rain

    • 48
    • 56

    Chance Rain

    • 48
    • 58

    Chance Rain

    • 50
    • 61

    Partly Sunny

    • 50
    • 69

    Mostly Sunny

    • 56
    • 73

    Sunny

    • 57
    • 77

    Mostly Sunny

Today 26 May North Bay Interior Mountains

Partly cloudy. A chance of rain. Highs in the 50s to upper 60s. Northwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 26 May North Bay Interior Mountains

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Northwest Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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Robert Louis Stevenson State Park Temperature Statistics

May Temperature

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

  • Lowest 13 May, 2026

    44.7 °F

  • Average May

    63 °F

  • Highest 19 May, 2026

    89.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    72.8 °F
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