Cordelia Slough - Ibis Cut Weather Forecast

    • 42
    • 47

    Cloudy

    • 41
    • 47

    Mostly Cloudy

    • 41
    • 47

    Partly Sunny

    • 47
    • 58

    Mostly Cloudy

    • 52
    • 60

    Rain Showers Likely

    • 47
    • 58

    Chance Rain Showers

Today 12 Dec Carquinez Strait and Delta

Areas of fog. Locally dense until late afternoon. Mostly cloudy. Highs around 46. Northeast Winds up to 10 Mph.

Tonight 12 Dec Carquinez Strait and Delta

Mostly cloudy. Patchy fog in the Evening, then Areas of fog. Locally dense after midnight. Lows around 41. Light Winds.

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Cordelia Slough - Ibis Cut Temperature Statistics

December Temperature

Napa, Napa County Airport (9.3 miles)

  • Lowest 2 December, 2025

    37 °F

  • Average December

    45.3 °F

  • Highest 3 December, 2025

    66 °F

Climate (2020–Present)

Napa, Napa County Airport (9.3 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.1 °F
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