Delaware River - Reedy Island Bar Weather Forecast

    • 70
    • 81

    Decreasing Clouds

    • 74
    • 80

    Rain Showers

    • 70
    • 83

    Chance Rain Showers

    • 62
    • 79

    Partly Sunny

    • 66
    • 77

    Mostly Sunny

    • 68
    • 82

    Chance Rain Showers

Today 11 Sep New Castle

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then partly sunny in the afternoon. Highs in the lower 80s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 11 Sep New Castle

Partly cloudy. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming east after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Delaware River - Reedy Island Bar Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (9.3 miles)

  • Lowest 8 September, 2026

    55.9 °F

  • Average September

    76.5 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    66.7 °F
Get WillyWeather+ to remove ads