Penngrove Weather Forecast

    • 35
    • 58

    Increasing Clouds

    • 35
    • 54

    Mostly Cloudy

    • 39
    • 55

    Mostly Cloudy

    • 46
    • 54

    Rain

    • 48
    • 59

    Rain Likely

    • 48
    • 60

    Chance Rain

    • 45
    • 59

    Rain Likely

Today 28 Jan North Bay Interior Valleys

Sunny. Highs in the 50s to lower 60s. Southwest Winds around 5 Mph.

Tonight 28 Jan North Bay Interior Valleys

Mostly clear late in the evening then becoming partly cloudy. Patchy fog late in the evening. Areas of fog and patchy frost after midnight. Lows in the lower 30s to mid 40s. West Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Penngrove Temperature Statistics

January Temperature

Petaluma Municipal Airport (4.3 miles)

  • Lowest 21 January, 2025

    26.6 °F

  • Average January

    47.4 °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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