Appoquinimink River Mouth Weather Forecast

    • 66
    • 83

    Partly Sunny

    • 68
    • 77

    Mostly Cloudy

    • 69
    • 78

    Rain Showers

    • 64
    • 74

    Chance Rain Showers

    • 61
    • 67

    Chance Rain Showers

    • 61
    • 65

    Chance Rain Showers

Today 18 Sep New Castle

Partly sunny. Highs in the mid 80s. North Winds 5 to 10 Mph.

Tonight 18 Sep New Castle

Partly cloudy. Lows in the lower 60s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Appoquinimink River Mouth Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (15.5 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 (15.5 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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