Delaware Canal - Summit Harbor Weather Forecast

    • 50
    • 72

    Isolated Thunderstorms

    • 52
    • 73

    Slight Chance Thunderstorms

    • 56
    • 78

    Mostly Sunny

    • 61
    • 85

    Partly Sunny

    • 64
    • 87

    Partly Sunny

    • 66
    • 88

    Partly Sunny

Today 16 May New Castle

Mostly cloudy. Scattered Showers with isolated Thunderstorms this afternoon. Highs in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 16 May New Castle

Mostly cloudy. Isolated Showers and Thunderstorms in the evening. Lows in the lower 50s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delaware Canal - Summit Harbor Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (10.6 miles)

  • Lowest 9 May, 2021

    42.1 °F

  • Average May

    59 °F

  • Highest 4 May, 2021

    84 °F

Climate (2010–Present)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2010–Present

    47.1 °F

  • Average 2010–Present

    55.3 °F

  • Average High 2010–Present

    63.9 °F
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