Napa River - Fagan Slough Entrance Weather Forecast

    • 48
    • 71

    Areas Fog

    • 46
    • 72

    Areas Fog

    • 47
    • 75

    Mostly Sunny

    • 46
    • 74

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 47
    • 68

    Chance Rain

Today 8 Nov North Bay Interior Valleys

Mostly cloudy. Patchy fog in the morning. Highs in the 60s to mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 8 Nov North Bay Interior Valleys

Mostly cloudy. Patchy fog after midnight. Lows in the 40s to mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Napa River - Fagan Slough Entrance Temperature Statistics

November Temperature

Napa, Napa County Airport (1.2 miles)

  • Lowest 1 November, 2026

    40.6 °F

  • Average November

    54.3 °F

  • Highest 5 November, 2026

    73 °F

Climate (2021–2026)

Napa, Napa County Airport (1.2 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.4 °F
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