Maxwell Farms Regional Park Weather Forecast

    • 38
    • 60

    Partly Sunny

    • 40
    • 62

    Areas Fog

    • 41
    • 62

    Areas Fog

    • 43
    • 63

    Mostly Cloudy

    • 41
    • 60

    Chance Rain

    • 40
    • 62

    Patchy Fog

Today 28 Jan North Bay Interior Valleys

Partly cloudy. Highs near 60. Northwest Winds 5 to 10 Mph.

Tonight 28 Jan North Bay Interior Valleys

Mostly clear late in the evening then becoming partly cloudy. Patchy fog. Lows in the 30s to upper 40s. North Winds up to 5 Mph.

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Maxwell Farms Regional Park Temperature Statistics

January Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 9 January, 2026

    30.2 °F

  • Average January

    50.1 °F

  • Highest 24 January, 2026

    69.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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