Delaware River - Reedy Island Weather Forecast

    • 71
    • 90

    Mostly Sunny

    • 59
    • 88

    Rain Showers

    • 54
    • 65

    Rain Showers Likely

    • 52
    • 61

    Rain Showers

    • 58
    • 67

    Rain Showers Likely

    • 58
    • 72

    Chance Rain Showers

Today 19 May New Castle

Mostly sunny. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph.

Tonight 19 May New Castle

Partly cloudy. Lows in the lower 70s. Southwest Winds 5 to 10 Mph.

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Delaware River - Reedy Island Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 12 May, 2026

    39.7 °F

  • Average May

    62.1 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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