Swallow Hill Weather Forecast

    • 52
    • 63

    Rain Showers Likely

    • 52
    • 63

    Chance Rain Showers

    • 50
    • 63

    Mostly Cloudy

    • 52
    • 65

    Slight Chance Rain Showers

    • 53
    • 66

    Partly Sunny

    • 53
    • 69

    Partly Sunny

Today 22 Sep New Castle

Showers likely. Highs in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 22 Sep New Castle

Cloudy with a 50 percent chance of Showers. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Swallow Hill Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 15 September, 2026

    52.6 °F

  • Average September

    74.9 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (8.1 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

    66.8 °F
Get WillyWeather+ to remove ads