Robert Louis Stevenson State Park Weather Forecast

    • 70
    • 87

    Sunny

    • 61
    • 81

    Sunny

    • 60
    • 76

    Mostly Sunny

    • 63
    • 75

    Partly Sunny

    • 64
    • 74

    Mostly Cloudy

    • 62
    • 72

    Partly Sunny

Today 15 Jul North Bay Interior Mountains

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

Tonight 15 Jul North Bay Interior Mountains

Clear. Lows in the mid 60s. West Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Robert Louis Stevenson State Park Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    65.7 °F

  • Highest 12 July, 2026

    89.1 °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

    58.4 °F

  • Average High 2021–2026

    72.7 °F
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