Sonoma Weather Forecast

    • 56
    • 82

    Partly Sunny

    • 59
    • 90

    Partly Sunny

    • 57
    • 87

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

Today 20 Jul North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the upper 60s to mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 20 Jul North Bay Interior Valleys

Mostly cloudy. Lows in the 50s to lower 60s. Southwest Winds 5 to 15 Mph.

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Sonoma Temperature Statistics

July Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 17 July, 2026

    44.6 °F

  • Average July

    61.9 °F

  • Highest 13 July, 2026

    95 °F

Climate (2021–2026)

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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