Delaware River - Shellpot Creek Mouth Weather Forecast

    • 66
    • 80

    Rain Showers Likely

    • 62
    • 74

    Slight Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 67
    • 82

    Slight Chance Rain Showers

    • 67
    • 82

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

Today 20 Aug New Castle

Mostly cloudy. A slight chance of Showers this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs around 80. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Aug New Castle

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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Delaware River - Shellpot Creek Mouth Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 9 August, 2025

    58.6 °F

  • Average August

    75.4 °F

  • Highest 15 August, 2025

    91.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (6.8 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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