Sugarloaf Ridge State Park Weather Forecast

    • 54
    • 67

    Chance Drizzle

    • 55
    • 67

    Rain

    • 50
    • 64

    Rain

    • 51
    • 70

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

Today 1 Sep North Bay Interior Mountains

Partly cloudy. Highs in the 60s to lower 70s. Southwest Winds around 10 Mph.

Tonight 1 Sep North Bay Interior Mountains

Partly cloudy in the evening then becoming mostly cloudy. A chance of drizzle after midnight. Lows in the 50s. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph decreasing to up to 5 Mph after midnight.

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Sugarloaf Ridge State Park Temperature Statistics

September Temperature

Petaluma Municipal Airport (13.7 miles)

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Climate (2021–2026)

Petaluma Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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