Northwest Wilmington Weather Forecast

    • 74
    • 88

    Rain Showers

    • 73
    • 92

    Rain Showers Likely

    • 73
    • 90

    Rain Showers Likely

    • 70
    • 86

    Thunderstorms Likely

    • 69
    • 82

    Rain Showers Likely

    • 68
    • 83

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

Today 7 Jul New Castle

Mostly cloudy with a chance of Thunderstorms. A chance of Showers this Morning, then Showers likely this afternoon. Locally heavy rainfall possible this afternoon. Hot with Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 7 Jul New Castle

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Some Thunderstorms may produce heavy rainfall this evening. Lows in the lower 70s. South Winds around 5 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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Northwest Wilmington Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 5 July, 2025

    62.1 °F

  • Average July

    77.8 °F

  • Highest 1 July, 2025

    91.9 °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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