Delaware Canal - Summit Bridge Weather Forecast

    • 57
    • 77

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 61
    • 78

    Mostly Cloudy

    • 55
    • 76

    Slight Chance Thunderstorms

    • 55
    • 73

    Partly Sunny

    • 57
    • 77

    Partly Sunny

Today 26 Aug New Castle

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 26 Aug New Castle

Partly cloudy. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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Delaware Canal - Summit Bridge Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 22 August, 2025

    57.7 °F

  • Average August

    74.5 °F

  • Highest 15 August, 2025

    91.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.6 °F
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