Brandywine Creek State Park Weather Forecast

    • 65
    • 80

    Increasing Clouds

    • 68
    • 84

    Slight Chance Thunderstorms

    • 60
    • 82

    Partly Sunny

    • 61
    • 77

    Rain Showers Likely

    • 61
    • 77

    Rain Showers Likely

    • 60
    • 72

    Chance Rain Showers

    • 58
    • 70

    Chance Rain Showers

Today 16 Sep New Castle

Mostly cloudy with a 30 percent chance of Showers. Highs in the lower 70s.

Tonight 16 Sep New Castle

Mostly clear this Evening, then becoming partly cloudy. Warmer with Lows in the mid 60s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Brandywine Creek State Park Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (9.3 miles)

  • Lowest 8 September, 2026

    56.6 °F

  • Average September

    76.2 °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

    66.8 °F
Get WillyWeather+ to remove ads