Cordelia Slough - Ibis Cut Weather Forecast

    • 62
    • 82

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

    • 60
    • 83

    Mostly Sunny

    • 62
    • 86

    Sunny

    • 64
    • 94

    Mostly Sunny

    • 62
    • 83

    Slight Chance Rain Showers

    • 60
    • 81

    Mostly Sunny

Today 18 Sep Carquinez Strait and Delta

Mostly cloudy. Highs 82 to 88. Southwest Winds 10 to 15 Mph.

Tonight 18 Sep Carquinez Strait and Delta

Mostly cloudy. A slight chance of rain Showers in the Evening, then a chance of rain Showers after midnight. Lows 60 to 66. West Winds up to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Real-Time

Cordelia Slough - Ibis Cut Temperature Statistics

September Temperature

Napa, Napa County Airport (9.3 miles)

  • Lowest 14 September, 2025

    48 °F

  • Average September

    66.3 °F

  • Highest 15 September, 2025

    91 °F

Climate (2020–Present)

Napa, Napa County Airport (9.3 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.5 °F
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