Robert Louis Stevenson State Park Weather Forecast

    • 72
    • 82

    Mostly Sunny

    • 73
    • 82

    Mostly Cloudy

    • 63
    • 75

    Mostly Sunny

    • 62
    • 74

    Sunny

    • 59
    • 72

    Mostly Sunny

    • 57
    • 66

    Mostly Sunny

Today 26 Aug North Bay Interior Mountains

Sunny. Highs in the mid 80s to lower 90s. West Winds 5 to 10 Mph.

Tonight 26 Aug North Bay Interior Mountains

Mostly clear. Lows in the 60s. Northwest Winds 5 to 10 Mph.

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Robert Louis Stevenson State Park Temperature Statistics

August Temperature

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

  • Lowest 22 August, 2026

    47.6 °F

  • Average August

    69.3 °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

    72.9 °F
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