Penngrove Weather Forecast

    • 37
    • 52

    Areas Fog

    • 35
    • 58

    Areas Fog

    • 36
    • 57

    Areas Fog

    • 36
    • 62

    Mostly Sunny

    • 35
    • 61

    Partly Sunny

    • 39
    • 63

    Mostly Sunny

Today 17 Jan North Bay Interior Valleys

Partly cloudy. Patchy fog late in the morning. Highs in the 50s to lower 60s. Southwest Winds 5 to 10 Mph.

Tonight 17 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 30s to upper 40s. West Winds up to 5 Mph in the evening. Becoming light.

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Penngrove Temperature Statistics

January Temperature

Petaluma Municipal Airport (4.3 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 (4.3 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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