Christina River - Copper Island Weather Forecast

    • 73
    • 84

    Rain Showers

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

    • 72
    • 88

    Mostly Sunny

    • 73
    • 90

    Slight Chance Thunderstorms

Today 5 Aug New Castle

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 5 Aug New Castle

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Humid with Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 70 percent.

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Christina River - Copper Island Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (3.1 miles)

  • Lowest 1 August, 2026

    68.6 °F

  • Average August

    78.4 °F

  • Highest 1 August, 2026

    86.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (3.1 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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