Petaluma Weather Forecast

    • 51
    • 79

    Increasing Clouds

    • 55
    • 71

    Rain

    • 52
    • 77

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

    • 53
    • 91

    Mostly Sunny

    • 52
    • 83

    Partly Sunny

    • 53
    • 85

    Mostly Sunny

Today 17 Sep North Bay Interior Valleys

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

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Petaluma Temperature Statistics

September Temperature

Petaluma Municipal Airport (2.5 miles)

  • Lowest 1 September, 2021

    44.6 °F

  • Average September

    64 °F

  • Highest 6 September, 2021

    98.6 °F

Climate (2011–Present)

Petaluma Municipal Airport (2.5 miles)

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  • Average Low 2011–Present

    46 °F

  • Average 2011–Present

    56.9 °F

  • Average High 2011–Present

    71.4 °F
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