Trinity Vicinity Weather Forecast

    • 61
    • 83

    Partly Sunny

    • 64
    • 75

    Slight Chance Rain Showers

    • 63
    • 78

    Rain Showers

    • 60
    • 71

    Chance Rain Showers

    • 56
    • 66

    Chance Rain Showers

    • 56
    • 64

    Chance Rain Showers

    • 55
    • 64

    Chance Rain Showers

Today 18 Sep New Castle

Mostly sunny. A chance of Showers in the morning. Highs in the upper 60s. Chance of rain 30 percent.

Tonight 18 Sep New Castle

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. North Winds 5 to 10 Mph.

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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 15 September, 2026

    52.6 °F

  • Average September

    75 °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

    66.8 °F
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