Yorklyn Weather Forecast

    • 64
    • 78

    Chance Thunderstorms

    • 58
    • 73

    Mostly Cloudy

    • 59
    • 79

    Mostly Sunny

    • 63
    • 80

    Chance Rain Showers

    • 64
    • 79

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 20 Aug New Castle

Cloudy. Isolated Showers in the Morning, then scattered Showers and Thunderstorms in the afternoon. Humid with Highs around 80. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Aug New Castle

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph, becoming northeast with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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Yorklyn Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (9.9 miles)

  • Lowest 9 August, 2025

    58.6 °F

  • Average August

    75.7 °F

  • Highest 15 August, 2025

    91.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (9.9 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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