Delaware River - Augustine Beach Weather Forecast

    • 30
    • 41

    Chance Rain/Snow

    • 37
    • 46

    Chance Rain/Snow

    • 34
    • 48

    Chance Rain

    • 42
    • 48

    Chance Rain

    • 38
    • 58

    Chance Rain

    • 36
    • 49

    Chance Rain

Today 22 Dec New Castle

Sunny. Highs in the lower 40s. West Winds around 5 Mph.

Tonight 22 Dec New Castle

Cloudy. A chance of snow after midnight. Little or no snow accumulation. Cold with Lows around 30. Temperature rising into the mid 30s after midnight. Southwest Winds 5 to 10 Mph. Chance of snow 50 percent.

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Delaware River - Augustine Beach Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 16 December, 2025

    16 °F

  • Average December

    33.3 °F

  • Highest 19 December, 2025

    55.9 °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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