Delaware River - Augustine Creek Mouth Weather Forecast

    • 66
    • 83

    Chance Rain Showers

    • 68
    • 88

    Rain Showers

    • 63
    • 82

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 66
    • 84

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

Today 21 Jun New Castle

Mostly sunny. Hot with Highs in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jun New Castle

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. West Winds 5 to 10 Mph, becoming northeast after midnight.

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Delaware River - Augustine Creek Mouth Temperature Statistics

June Temperature

Wilmington, New Castle County Airport (11.8 miles)

  • Lowest 2 June, 2026

    47.6 °F

  • Average June

    74.1 °F

  • Highest 12 June, 2026

    97.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (11.8 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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