Trinity Vicinity Weather Forecast

    • 61
    • 79

    Increasing Clouds

    • 59
    • 79

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 72
    • 85

    Partly Sunny

    • 65
    • 87

    Slight Chance Rain Showers

    • 60
    • 79

    Mostly Sunny

Today 6 Sep New Castle

Sunny. Highs around 80. North Winds 5 to 10 Mph.

Tonight 6 Sep New Castle

Partly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Trinity Vicinity Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (5.6 miles)

  • Lowest 1 September, 2026

    71.7 °F

  • Average September

    79.7 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (5.6 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