Delaware River - Reedy Point Weather Forecast

    • 70
    • 86

    Chance Rain Showers

    • 64
    • 81

    Mostly Sunny

    • 63
    • 78

    Mostly Sunny

    • 65
    • 79

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 72
    • 82

    Partly Sunny

Today 4 Sep New Castle

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 80s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 4 Sep New Castle

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Humid with Lows in the upper 60s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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Delaware River - Reedy Point Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 1 September, 2026

    71.1 °F

  • Average September

    80 °F

  • Highest 1 September, 2026

    91.9 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (8.1 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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