Maxwell Farms Regional Park Weather Forecast

    • 50
    • 84

    Becoming Sunny

    • 51
    • 85

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

    • 52
    • 87

    Mostly Sunny

    • 53
    • 86

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 52
    • 83

    Sunny

Today 21 Jun North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 21 Jun North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.

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Maxwell Farms Regional Park Temperature Statistics

June Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 7 June, 2026

    41 °F

  • Average June

    62.3 °F

  • Highest 11 June, 2026

    96.8 °F

Climate (2021–2026)

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

    68.5 °F
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