Maxwell Farms Regional Park Weather Forecast

    • 53
    • 87

    Mostly Cloudy

    • 51
    • 85

    Partly Sunny

    • 52
    • 88

    Mostly Sunny

    • 52
    • 88

    Partly Sunny

    • 51
    • 84

    Partly Sunny

    • 52
    • 86

    Partly Sunny

    • 54
    • 89

    Partly Sunny

Today 20 Aug North Bay Interior Valleys

Mostly cloudy. Highs in the lower 70s to mid 80s. Southwest Winds 10 to 15 Mph.

Tonight 20 Aug North Bay Interior Valleys

Mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 10 to 15 Mph.

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Maxwell Farms Regional Park Temperature Statistics

August Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 10 August, 2026

    46.4 °F

  • Average August

    63 °F

  • Highest 2 August, 2026

    93.2 °F

Climate (2021–2026)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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