Sugarloaf Ridge State Park Weather Forecast

    • 53
    • 65

    Sunny

    • 49
    • 70

    Sunny

    • 50
    • 68

    Partly Sunny

    • 48
    • 64

    Mostly Sunny

    • 47
    • 64

    Partly Sunny

    • 50
    • 63

    Partly Sunny

    • 49
    • 62

    Partly Sunny

Today 23 Oct North Bay Interior Mountains

Sunny. Highs in the 60s. North Winds 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 23 Oct North Bay Interior Mountains

Clear. Lows in the lower to mid 50s. North Winds 10 to 20 Mph with Gusts to around 35 Mph.

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Sugarloaf Ridge State Park Temperature Statistics

October Temperature

Petaluma Municipal Airport (13.7 miles)

  • Lowest 13 October, 2026

    39.2 °F

  • Average October

    64.3 °F

  • Highest 3 October, 2026

    98.6 °F

Climate (2021–2026)

Petaluma Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    68.6 °F
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