Petaluma Municipal Airport Weather Forecast

    • 54
    • 80

    Mostly Sunny

    • 56
    • 87

    Becoming Sunny

    • 54
    • 89

    Mostly Sunny

    • 55
    • 88

    Mostly Sunny

    • 56
    • 81

    Mostly Cloudy

    • 55
    • 78

    Partly Sunny

    • 54
    • 77

    Partly Sunny

Today 14 Sep North Bay Interior Valleys

Sunny. Highs in the mid 70s to upper 80s. West Winds 10 to 20 Mph.

Tonight 14 Sep North Bay Interior Valleys

Mostly clear. Lows in the 50s to lower 60s. West Winds 10 to 20 Mph. Becoming south 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Petaluma Municipal Airport Temperature Statistics

September Temperature

Petaluma Municipal Airport (0 miles)

  • Lowest 7 September, 2025

    50 °F

  • Average September

    62.8 °F

  • Highest 1 September, 2025

    93.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    69.1 °F
Get WillyWeather+ to remove ads