Delaware River - Delaware Memorial Bridge Weather Forecast

    • 72
    • 84

    Chance Rain Showers

    • 73
    • 81

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 64
    • 81

    Mostly Sunny

    • 67
    • 82

    Slight Chance Rain Showers

    • 71
    • 83

    Chance Rain Showers

Today 18 Jul New Castle

Mostly sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 18 Jul New Castle

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the lower 70s. North Winds around 5 Mph, becoming east after midnight. Chance of rain 40 percent.

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Delaware River - Delaware Memorial Bridge Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (4.3 miles)

  • Lowest 5 July, 2025

    61.6 °F

  • Average July

    79.6 °F

  • Highest 8 July, 2025

    94.6 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (4.3 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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