Claymont Weather Forecast

    • 48
    • 80

    Severe Tstms

    • 37
    • 54

    Partly Sunny

    • 42
    • 58

    Mostly Sunny

    • 46
    • 61

    Partly Sunny

    • 50
    • 66

    Mostly Sunny

    • 49
    • 66

    Mostly Sunny

Today 16 Oct New Castle

Cloudy late this Morning, then becoming partly sunny. A chance of Showers. A chance of Thunderstorms this afternoon. Warmer with Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 16 Oct New Castle

Thunderstorms and Showers in the Evening, then a chance of Showers after midnight. Some Thunderstorms may produce damaging Winds in the evening. Cooler. Less humid with Lows in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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Claymont Temperature Statistics

October Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 7 October, 2026

    42.7 °F

  • Average October

    64.7 °F

  • Highest 2 October, 2026

    86.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    66.7 °F
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