Sonoma Creek - Richard Janson Bridge Weather Forecast

    • 42
    • 60

    Dense Fog

    • 43
    • 61

    Dense Fog

    • 44
    • 62

    Dense Fog

    • 44
    • 62

    Partly Sunny

    • 43
    • 60

    Partly Sunny

    • 44
    • 59

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

Today 25 Nov North Bay Interior Valleys

Sunny. Highs in the mid 50s to upper 60s. Southwest Winds up to 5 Mph.

Tonight 25 Nov North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy dense fog. Lows in the 30s to upper 40s. Northwest Winds 5 to 10 Mph. Becoming northeast after midnight.

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Sonoma Creek - Richard Janson Bridge Temperature Statistics

November Temperature

Napa, Napa County Airport (7.5 miles)

  • Lowest 22 November, 2025

    39 °F

  • Average November

    56.6 °F

  • Highest 10 November, 2025

    79 °F

Climate (2020–Present)

Napa, Napa County Airport (7.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.2 °F
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