Sonoma Weather Forecast

    • 49
    • 83

    Decreasing Clouds

    • 49
    • 79

    Partly Sunny

    • 47
    • 72

    Mostly Sunny

    • 49
    • 78

    Mostly Sunny

    • 49
    • 82

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

Today 11 May North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the 70s to 80s. South Winds 5 to 10 Mph.

Tonight 11 May North Bay Interior Valleys

Partly cloudy. Patchy fog. Lows in the upper 40s to lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sonoma Temperature Statistics

May Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    55.6 °F

  • Highest 9 May, 2026

    75.2 °F

Climate (2021–Present)

Petaluma Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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