Delaware River - Fort Delaware State Park Weather Forecast

    • 22
    • 35

    Breezy

    • 29
    • 39

    Partly Sunny

    • 29
    • 44

    Partly Sunny

    • 39
    • 50

    Mostly Cloudy

    • 40
    • 55

    Chance Rain Showers

    • 39
    • 52

    Chance Rain Showers

Today 21 Feb New Castle

Sunny, Blustery with Highs in the mid 30s. Northwest Winds 20 to 25 Mph with Gusts up to 40 Mph.

Tonight 21 Feb New Castle

Mostly clear. Cold with Lows around 18. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.

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Delaware River - Fort Delaware State Park Temperature Statistics

February Temperature

Wilmington, New Castle County Airport (5.6 miles)

  • Lowest 19 February, 2025

    16 °F

  • Average February

    35.3 °F

  • Highest 16 February, 2025

    60.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (5.6 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.2 °F
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