Cordelia Slough - Ibis Cut Weather Forecast

    • 57
    • 76

    Mostly Cloudy

    • 57
    • 76

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

    • 61
    • 91

    Mostly Sunny

    • 59
    • 85

    Mostly Sunny

Today 20 Sep Southwestern Solano County Including Vallejo

Mostly cloudy. Highs 69 to 79. Southwest Winds around 10 Mph.

Tonight 20 Sep Southwestern Solano County Including Vallejo

Mostly cloudy in the evening then becoming partly cloudy. Lows around 57. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Cordelia Slough - Ibis Cut Temperature Statistics

September Temperature

Napa, Napa County Airport (9.3 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    66.3 °F

  • Highest 9 September, 2026

    99.6 °F

Climate (2021–2026)

Napa, Napa County Airport (9.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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