Trinity Vicinity Weather Forecast

    • 68
    • 87

    Chance Rain Showers

    • 63
    • 83

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 69
    • 82

    Partly Sunny

Today 4 Sep New Castle

Mostly sunny. Hot with Highs in the upper 80s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep New Castle

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds. Lows in the upper 60s. Northwest Winds around 5 Mph. Chance of rain 40 percent.

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  • 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

    78.2 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (5.6 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    66.7 °F
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