Maxwell Farms Regional Park Weather Forecast

    • 36
    • 52

    Mostly Cloudy

    • 36
    • 58

    Mostly Sunny

    • 44
    • 56

    Chance Rain

    • 41
    • 61

    Chance Rain

    • 42
    • 62

    Areas Fog

    • 43
    • 62

    Patchy Fog

Today 25 Jan North Bay Interior Valleys

Cloudy. Highs in the 40s to upper 50s. East Winds 10 to 15 Mph.

Tonight 25 Jan North Bay Interior Valleys

Mostly cloudy. Lows in the 30s to mid 40s. East Winds 5 to 15 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

    50.5 °F

  • Highest 16 January, 2026

    64.4 °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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