San Pablo Bay - Sonoma Creek Entrance Weather Forecast

    • 56
    • 69

    Increasing Clouds

    • 50
    • 60

    Mostly Sunny

    • 50
    • 59

    Mostly Sunny

    • 51
    • 65

    Mostly Sunny

    • 50
    • 67

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

Today 9 Oct North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the 70s to 80s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 9 Oct North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to upper 50s. Southwest Winds 10 to 20 Mph.

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San Pablo Bay - Sonoma Creek Entrance Temperature Statistics

October Temperature

Napa, Napa County Airport (7.5 miles)

  • Lowest 2 October, 2026

    50.6 °F

  • Average October

    71 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (7.5 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.3 °F
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