Magnolia Park Weather Forecast

    • 56
    • 83

    Gradual Clearing

    • 50
    • 79

    Partly Sunny

    • 49
    • 75

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 53
    • 79

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

Today 24 Sep North Bay Interior Valleys

Partly cloudy. Highs in the mid 70s to lower 90s. South Winds up to 5 Mph increasing to southwest 10 to 15 Mph in the afternoon.

Tonight 24 Sep North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 50s to lower 60s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Magnolia Park Temperature Statistics

September Temperature

Petaluma Municipal Airport (6.2 miles)

  • Lowest 7 September, 2026

    44.6 °F

  • Average September

    63.9 °F

  • Highest 9 September, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (6.2 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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