Delaware River - Reedy Island Weather Forecast

    • 63
    • 81

    Becoming Sunny

    • 65
    • 83

    Mostly Sunny

    • 71
    • 84

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers

    • 68
    • 84

    Chance Rain Showers

    • 69
    • 85

    Slight Chance Rain Showers

Today 25 Jul New Castle

Sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 25 Jul New Castle

Mostly clear. Lows in the lower 60s. East Winds 5 to 10 Mph, becoming northeast after midnight.

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Delaware River - Reedy Island Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 20 July, 2026

    58.6 °F

  • Average July

    80.7 °F

  • Highest 2 July, 2026

    103.6 °F

Climate (2021–2026)

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

    66.7 °F
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