Petaluma Weather Forecast

    • 50
    • 73

    Becoming Sunny

    • 50
    • 75

    Partly Sunny

    • 51
    • 71

    Mostly Cloudy

    • 47
    • 65

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

Today 27 Oct North Bay Interior Valleys

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 27 Oct North Bay Interior Valleys

Mostly clear. Lows in the 40s to mid 50s. Northwest Winds 10 to 20 Mph.

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Petaluma Temperature Statistics

October Temperature

Petaluma Municipal Airport (2.5 miles)

  • Lowest 14 October, 2021

    39.2 °F
  • Average October

    58.4 °F
  • Highest 2 October, 2021

    91.4 °F

Climate (2011–Present)

Petaluma Municipal Airport (2.5 miles)

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  • Average Low 2011–Present

    46.1 °F
  • Average 2011–Present

    57 °F
  • Average High 2011–Present

    71.5 °F
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