Delaware City Weather Forecast

    • 66
    • 82

    Decreasing Clouds

    • 57
    • 77

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 63
    • 81

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

Today 17 Sep New Castle

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 17 Sep New Castle

Mostly cloudy with isolated Showers. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Delaware City Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (6.2 miles)

  • Lowest 7 September, 2019

    55 °F
  • Average September

    72.8 °F
  • Highest 4 September, 2019

    91.9 °F

Climate (2010–Present)

Wilmington, New Castle County Airport (6.2 miles)

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  • Average Low 2010–Present

    48.5 °F
  • Average 2010–Present

    57 °F
  • Average High 2010–Present

    65.7 °F
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