Penngrove Weather Forecast

    • 45
    • 60

    Mostly Cloudy

    • 46
    • 61

    Chance Rain

    • 44
    • 62

    Mostly Cloudy

    • 44
    • 65

    Partly Sunny

    • 43
    • 66

    Mostly Cloudy

    • 46
    • 65

    Chance Rain

    • 38
    • 62

    Chance Rain

Today 1 Dec North Bay Interior Valleys

Partly cloudy. A slight chance of Showers in the afternoon. Highs in the mid 50s to lower 60s. Northwest Winds 5 to 15 Mph.

Tonight 1 Dec North Bay Interior Valleys

Mostly cloudy. A slight chance of Showers in the evening. A chance of rain after midnight. Patchy fog after midnight. Lows in the 40s to lower 50s. West Winds 5 to 10 Mph.

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Penngrove Temperature Statistics

December Temperature

Petaluma Municipal Airport (4.3 miles)

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  • Average December

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Climate (2018–Present)

Petaluma Municipal Airport (4.3 miles)

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  • Average Low 2018–2023

    45.2 °F

  • Average 2018–2023

    56.1 °F

  • Average High 2018–2023

    70.1 °F
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