Napa River - Mud Slough Entrance Weather Forecast

    • 56
    • 61

    Rain Showers

    • 55
    • 65

    Partly Sunny

    • 54
    • 66

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 54
    • 71

    Chance Rain Showers

    • 55
    • 71

    Mostly Cloudy

Today 5 Nov North Bay Interior Valleys

Mostly cloudy. Breezy. A chance of Showers and isolated Thunderstorms. Highs in the 50s to upper 60s. South Winds 20 to 30 Mph with Gusts to around 45 Mph.

Tonight 5 Nov North Bay Interior Valleys

Mostly cloudy. Patchy fog in the Evening, then Areas of fog after midnight. A chance of Showers in the Evening, then a slight chance of Showers after midnight. Lows in the 50s. Southwest Winds 5 to 10 Mph.

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Napa River - Mud Slough Entrance Temperature Statistics

November Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 1 November, 2025

    44.1 °F

  • Average November

    58.1 °F

  • Highest 2 November, 2025

    77 °F

Climate (2020–Present)

Napa, Napa County Airport (1.9 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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