Sonoma Valley Airport Weather Forecast

    • 55
    • 86

    Decreasing Clouds

    • 55
    • 83

    Partly Sunny

    • 56
    • 82

    Partly Sunny

    • 54
    • 81

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

Today 18 Aug North Bay Interior Valleys

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s to 80s. Southwest Winds 5 to 15 Mph.

Tonight 18 Aug North Bay Interior Valleys

Mostly cloudy. Patchy fog. Lows in the 50s. Southwest Winds 5 to 10 Mph.

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Sonoma Valley Airport Temperature Statistics

August Temperature

Novato / Gnoss Field (7.5 miles)

  • Lowest 10 August, 2026

    51.8 °F

  • Average August

    66 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (7.5 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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