Napa River - Mud Slough Entrance Weather Forecast

    • 50
    • 73

    Areas Fog

    • 48
    • 71

    Mostly Sunny

    • 53
    • 69

    Mostly Cloudy

    • 49
    • 63

    Rain

    • 49
    • 62

    Rain Likely

    • 46
    • 60

    Rain Likely

    • 42
    • 59

    Chance Rain

Today 10 Nov North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 10 Nov North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the lower 40s to mid 50s. West Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa River - Mud Slough Entrance Temperature Statistics

November Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 1 November, 2026

    40.6 °F

  • Average November

    55.6 °F

  • Highest 5 November, 2026

    75.7 °F

Climate (2021–2026)

Napa, Napa County Airport (1.9 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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