Brookside Weather Forecast

    • 73
    • 91

    Thunderstorms Likely

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 90

    Mostly Sunny

    • 74
    • 91

    Partly Sunny

    • 72
    • 92

    Chance Thunderstorms

    • 70
    • 87

    Chance Rain Showers

Today 7 Aug New Castle

Sunny. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Locally heavy rainfall possible this afternoon. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 7 Aug New Castle

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds in the evening. Locally heavy rainfall possible in the evening. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent.

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Brookside Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (6.2 miles)

  • Lowest 4 August, 2026

    66.7 °F

  • Average August

    79.2 °F

  • Highest 3 August, 2026

    89.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (6.2 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.7 °F
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