Sonoma Mountain Weather Forecast

    • 52
    • 66

    Decreasing Clouds

    • 55
    • 69

    Mostly Sunny

    • 61
    • 75

    Partly Sunny

    • 61
    • 80

    Mostly Sunny

    • 62
    • 80

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

Today 13 Mar North Bay Interior Valleys

Partly cloudy. Highs in the upper 60s to lower 80s. West Winds 5 to 10 Mph.

Tonight 13 Mar North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 40s to mid 50s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sonoma Mountain Temperature Statistics

March Temperature

Petaluma Municipal Airport (4.3 miles)

  • Lowest 10 March, 2026

    37.4 °F

  • Average March

    55.7 °F

  • Highest 7 March, 2026

    78.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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