Sugarloaf Ridge State Park Weather Forecast

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    Mostly Sunny

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    Mostly Sunny

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    Mostly Sunny

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    Mostly Sunny

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    Mostly Sunny

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    Mostly Sunny

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    Mostly Sunny

Today 17 Jan North Bay Interior Mountains

Sunny. Highs in the 40s to upper 50s. Light Winds. Becoming southwest around 5 Mph in the afternoon.

Tonight 17 Jan North Bay Interior Mountains

Mostly clear. Lows in the lower 40s. Light Winds. Becoming northeast around 5 Mph after midnight.

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Sugarloaf Ridge State Park Temperature Statistics

January Temperature

Petaluma Municipal Airport (13.7 miles)

  • Lowest 14 January, 2025

    30.2 °F

  • Average January

    48.6 °F

  • Highest 7 January, 2025

    68 °F

Climate (2020–Present)

Petaluma Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    69.7 °F
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