Maxwell Farms Regional Park Weather Forecast

    • 42
    • 63

    Becoming Sunny

    • 44
    • 72

    Partly Sunny

    • 46
    • 68

    Mostly Cloudy

    • 45
    • 64

    Mostly Cloudy

    • 42
    • 65

    Partly Sunny

    • 43
    • 67

    Partly Sunny

    • 45
    • 71

    Partly Sunny

Today 22 Apr North Bay Interior Valleys

Partly cloudy. A slight chance of rain. Highs in the upper 50s to mid 60s. East Winds 10 to 20 Mph.

Tonight 22 Apr North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the 40s to lower 50s. Northwest Winds 10 to 15 Mph.

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Maxwell Farms Regional Park Temperature Statistics

April Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 18 April, 2026

    35.6 °F

  • Average April

    56.3 °F

  • Highest 5 April, 2026

    84.2 °F

Climate (2021–Present)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.6 °F
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