Appoquinimink River Mouth Weather Forecast

    • 55
    • 64

    Rain Showers

    • 52
    • 62

    Rain Showers

    • 55
    • 59

    Rain Showers

    • 59
    • 70

    Chance Rain Showers

    • 62
    • 74

    Rain Showers Likely

    • 62
    • 77

    Slight Chance Thunderstorms

Today 21 May New Castle

A slight chance of Thunderstorms. A chance of Showers this Morning, then Showers this afternoon. Much cooler. Near steady temperature in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 21 May New Castle

Cloudy. A chance of Showers, mainly in the evening. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Appoquinimink River Mouth Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (15.5 miles)

  • Lowest 12 May, 2026

    39.7 °F

  • Average May

    64 °F

  • Highest 19 May, 2026

    95 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (15.5 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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