Petaluma Weather Forecast

    • 50
    • 90

    Partly Sunny

    • 51
    • 87

    Partly Sunny

    • 54
    • 77

    Mostly Cloudy

    • 54
    • 77

    Partly Sunny

    • 52
    • 77

    Partly Sunny

    • 52
    • 80

    Mostly Cloudy

Today 26 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 15 Mph.

Tonight 26 Sep North Bay Interior Valleys

Partly cloudy. Lows in the mid 40s to upper 50s. Southwest Winds 10 to 15 Mph.

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Petaluma Temperature Statistics

September Temperature

Petaluma Municipal Airport (2.5 miles)

  • Lowest 16 September, 2018

    42.8 °F

  • Average September

    60.3 °F

  • Highest 20 September, 2018

    89.6 °F

Climate (2011–Present)

Petaluma Municipal Airport (2.5 miles)

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  • Average Low 2011–Present

    45.7 °F

  • Average 2011–Present

    56.4 °F

  • Average High 2011–Present

    70.3 °F
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