Delaware River - Fort Delaware State Park Weather Forecast

    • 61
    • 70

    Chance Rain Showers

    • 65
    • 79

    Chance Thunderstorms

    • 56
    • 78

    Rain Showers Likely

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 61

    Chance Rain Showers

    • 58
    • 67

    Chance Rain Showers

Today 1 May New Castle

Partly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph, becoming southeast 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 1 May New Castle

Mostly clear. Cooler with Lows in the lower 50s. Northeast Winds around 5 Mph.

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Delaware River - Fort Delaware State Park Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (5.6 miles)

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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

    57.2 °F

  • Average High 2020–2025

    66.4 °F
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