Petaluma Weather Forecast

    • 38
    • 63

    Increasing Clouds

    • 39
    • 67

    Partly Sunny

    • 44
    • 63

    Rain

    • 38
    • 55

    Rain

    • 39
    • 56

    Rain Likely

    • 45
    • 55

    Rain

Today 9 Mar North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 50s to mid 60s. Southeast Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 9 Mar North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s to mid 40s. West Winds 5 to 10 Mph. Becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Petaluma Temperature Statistics

March Temperature

Petaluma Municipal Airport (2.5 miles)

  • Lowest 3 March, 2025

    33.8 °F

  • Average March

    48.4 °F

  • Highest 7 March, 2025

    64.4 °F

Climate (2020–Present)

Petaluma Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    69.5 °F
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