Claymont Weather Forecast

    • 30
    • 44

    Mostly Sunny

    • 38
    • 47

    Partly Sunny

    • 37
    • 50

    Chance Rain

    • 24
    • 42

    Chance Rain/Snow

    • 25
    • 34

    Partly Sunny

    • 25
    • 41

    Mostly Cloudy

Today 12 Jan New Castle

Sunny. Highs in the lower 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Jan New Castle

Mostly clear. Cold with Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Claymont Temperature Statistics

January Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 3 January, 2026

    21.9 °F

  • Average January

    35.3 °F

  • Highest 7 January, 2026

    60.1 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.5 °F
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