Robert Louis Stevenson State Park Weather Forecast

    • 62
    • 73

    Increasing Clouds

    • 59
    • 66

    Partly Sunny

    • 58
    • 65

    Partly Sunny

    • 58
    • 67

    Partly Sunny

    • 60
    • 68

    Mostly Cloudy

    • 62
    • 70

    Partly Sunny

Today 12 Aug North Bay Interior Mountains

Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s. South Winds 5 to 10 Mph.

Tonight 12 Aug North Bay Interior Mountains

Partly cloudy. Lows in the 50s to lower 60s. Light Winds.

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Robert Louis Stevenson State Park Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    50.6 °F

  • Average August

    70.4 °F

  • Highest 1 August, 2026

    98.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    72.8 °F
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