Penngrove Weather Forecast

    • 42
    • 60

    Dense Fog

    • 42
    • 63

    Dense Fog

    • 42
    • 63

    Dense Fog

    • 41
    • 63

    Dense Fog

    • 41
    • 64

    Dense Fog

    • 42
    • 63

    Dense Fog

    • 42
    • 63

    Partly Sunny

Today 27 Nov North Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Patchy dense fog. Highs in the mid 50s to lower 70s. South Winds 5 to 10 Mph.

Tonight 27 Nov North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s. North Winds up to 5 Mph.

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Penngrove Temperature Statistics

November Temperature

Petaluma Municipal Airport (4.3 miles)

  • Lowest 22 November, 2025

    37.4 °F

  • Average November

    56 °F

  • Highest 10 November, 2025

    77 °F

Climate (2020–Present)

Petaluma Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.7 °F
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