Sonoma Mountain Weather Forecast

    • 62
    • 78

    Increasing Clouds

    • 66
    • 78

    Mostly Cloudy

    • 66
    • 81

    Partly Sunny

    • 63
    • 81

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 72

    Mostly Sunny

Today 11 Jul North Bay Interior Valleys

Partly cloudy. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 15 Mph.

Tonight 11 Jul North Bay Interior Valleys

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

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  • Temperature Real-Time

Sonoma Mountain Temperature Statistics

July Temperature

Petaluma Municipal Airport (4.3 miles)

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    59.3 °F

  • Highest 1 July, 2026

    80.6 °F

Climate (2021–2026)

Petaluma Municipal Airport (4.3 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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