Claymont Weather Forecast

    • 72
    • 87

    Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

    • 70
    • 87

    Mostly Sunny

    • 71
    • 90

    Slight Chance Rain Showers

    • 68
    • 87

    Slight Chance Thunderstorms

    • 66
    • 87

    Chance Rain Showers

Today 14 Aug New Castle

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 80s. North Winds around 5 Mph. Chance of rain 40 percent.

Tonight 14 Aug New Castle

Partly cloudy in the Evening, then clearing. Humid with Lows in the lower 70s. North Winds around 5 Mph.

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  • Temperature Real-Time

Claymont Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 9 August, 2025

    58.6 °F

  • Average August

    73.6 °F

  • Highest 4 August, 2025

    87.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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