Petaluma Municipal Airport Weather Forecast

    • 53
    • 69

    Increasing Clouds

    • 52
    • 66

    Increasing Clouds

    • 52
    • 69

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 50
    • 74

    Partly Sunny

Today 21 Jul North Bay Interior Valleys

Sunny. Highs in the mid 60s to lower 80s. West Winds 10 to 20 Mph.

Tonight 21 Jul North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s. West Winds 10 to 20 Mph.

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Petaluma Municipal Airport Temperature Statistics

July Temperature

Petaluma Municipal Airport (0 miles)

  • Lowest 5 July, 2025

    42.8 °F

  • Average July

    59.3 °F

  • Highest 10 July, 2025

    87.8 °F

Climate (2020–Present)

Petaluma Municipal Airport (0 miles)

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    69.2 °F
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