Delaware River - Deemers Beach Weather Forecast

    • 78
    • 93

    Slight Chance Thunderstorms

    • 79
    • 98

    Hot

    • 79
    • 98

    Hot

    • 75
    • 96

    Slight Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

Today 22 Jun New Castle

Partly sunny. Hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Jun New Castle

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

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Delaware River - Deemers Beach Temperature Statistics

June Temperature

Wilmington, New Castle County Airport (1.9 miles)

  • Lowest 2 June, 2025

    49.6 °F

  • Average June

    71.9 °F

  • Highest 19 June, 2025

    93 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (1.9 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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