Petaluma Municipal Airport Weather Forecast

    • 46
    • 69

    Decreasing Clouds

    • 47
    • 73

    Partly Sunny

    • 50
    • 74

    Areas Fog

    • 48
    • 75

    Partly Sunny

    • 49
    • 70

    Mostly Cloudy

    • 52
    • 68

    Mostly Cloudy

    • 51
    • 64

    Rain Likely

Today 30 Oct North Bay Interior Valleys

Partly cloudy. Highs in the 60s to 70s. Southwest Winds 10 to 15 Mph.

Tonight 30 Oct North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Patchy fog after midnight. Lows in the 40s to mid 50s. West Winds 5 to 10 Mph.

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Petaluma Municipal Airport Temperature Statistics

October Temperature

Petaluma Municipal Airport (0 miles)

  • Lowest 17 October, 2025

    41 °F

  • Average October

    56.5 °F

  • Highest 7 October, 2025

    86 °F

Climate (2020–Present)

Petaluma Municipal Airport (0 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.8 °F
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