Sonoma Weather Forecast

    • 48
    • 69

    Mostly Cloudy

    • 47
    • 74

    Mostly Sunny

    • 50
    • 77

    Partly Sunny

    • 49
    • 76

    Partly Sunny

    • 49
    • 75

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

Today 25 May North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the lower 60s to mid 70s. West Winds 10 to 20 Mph.

Tonight 25 May North Bay Interior Valleys

Mostly cloudy. Patchy fog. Lows in the mid 40s to lower 50s. West Winds 10 to 20 Mph.

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  • Temperature Real-Time

Sonoma Temperature Statistics

May Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    58.8 °F

  • Highest 19 May, 2026

    87.8 °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

    68.6 °F
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