Northwest Wilmington Weather Forecast

    • 73
    • 89

    Mostly Sunny

    • 76
    • 95

    Chance Thunderstorms

    • 73
    • 90

    Chance Rain Showers

    • 73
    • 91

    Chance Thunderstorms

    • 74
    • 92

    Mostly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

Today 24 Jul New Castle

Sunny, hot with Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 24 Jul New Castle

Mostly clear. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph.

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Northwest Wilmington Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 5 July, 2025

    61.6 °F
  • Average July

    79.9 °F
  • Highest 8 July, 2025

    94.6 °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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