Delaware River - Augustine Beach Weather Forecast

    • 74
    • 89

    Thunderstorms Likely

    • 67
    • 93

    Severe Tstms

    • 66
    • 84

    Mostly Sunny

    • 71
    • 87

    Partly Sunny

    • 75
    • 91

    Mostly Sunny

    • 76
    • 95

    Mostly Sunny

Today 18 Jun New Castle

Mostly cloudy. Areas of fog this morning. A chance of Showers with possible drizzle and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Hot with Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 18 Jun New Castle

Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce gusty Winds in the evening. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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Delaware River - Augustine Beach Temperature Statistics

June Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 2 June, 2025

    49.6 °F

  • Average June

    71.4 °F

  • Highest 12 June, 2025

    90 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    66.5 °F
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