Napa River - North Slough Entrance Weather Forecast

    • 57
    • 61

    Increasing Clouds

    • 54
    • 63

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 56
    • 67

    Mostly Cloudy

    • 57
    • 68

    Mostly Cloudy

    • 57
    • 66

    Mostly Cloudy

Today 6 Nov North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the 60s to lower 70s. West Winds 5 to 10 Mph.

Tonight 6 Nov North Bay Interior Valleys

Mostly cloudy. Patchy fog. A slight chance of Showers. Lows in the lower to mid 50s. Southwest Winds up to 5 Mph.

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  • Temperature Real-Time

Napa River - North Slough Entrance Temperature Statistics

November Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 1 November, 2025

    44.1 °F

  • Average November

    58.7 °F

  • Highest 2 November, 2025

    77 °F

Climate (2020–Present)

Napa, Napa County Airport (2.5 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    70.2 °F
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