Cordelia Slough - Goodyear Slough Entrance Weather Forecast

    • 63
    • 84

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

    • 61
    • 84

    Sunny

    • 62
    • 88

    Sunny

    • 64
    • 92

    Mostly Sunny

    • 62
    • 81

    Chance Rain Showers

Today 18 Sep Carquinez Strait and Delta

Mostly cloudy. Highs 81 to 87. Except 75 to 81 near the bay. Southwest Winds 10 to 15 Mph.

Tonight 18 Sep Carquinez Strait and Delta

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers and a slight chance of Thunderstorms after midnight. Lows 61 to 67. West Winds up to 15 Mph.

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Cordelia Slough - Goodyear Slough Entrance Temperature Statistics

September Temperature

Concord, Buchanan Field (9.9 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    70.3 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Concord, Buchanan Field (9.9 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.6 °F
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