Delaware River - Port Penn Weather Forecast

    • 72
    • 84

    Rain Showers

    • 71
    • 84

    Rain Showers

    • 71
    • 84

    Rain Showers Likely

    • 72
    • 85

    Chance Thunderstorms

    • 73
    • 86

    Chance Thunderstorms

    • 72
    • 87

    Chance Thunderstorms

Today 2 Aug New Castle

Mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 2 Aug New Castle

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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Delaware River - Port Penn Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (10.6 miles)

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  • Average August

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Climate (2021–2026)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.7 °F
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