New Castle Weather Forecast

    • 37
    • 47

    Rain

    • 43
    • 45

    Rain Likely

    • 52
    • 56

    Rain Likely

    • 44
    • 64

    Rain

    • 36
    • 53

    Partly Sunny

    • 37
    • 52

    Mostly Sunny

    • 37
    • 51

    Mostly Sunny

Today 22 Feb New Castle

Rain likely. Much cooler with Highs in the upper 40s. Northeast Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 22 Feb New Castle

Cloudy with a 50 percent chance of rain. Lows in the upper 40s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

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New Castle Temperature Statistics

February Temperature

Wilmington, New Castle County Airport (2.5 miles)

  • Lowest 3 February, 2018

    14 °F
  • Average February

    38.4 °F
  • Highest 20 February, 2018

    75 °F

Climate (2010–Present)

Wilmington, New Castle County Airport (2.5 miles)

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  • Average Low 2010–Present

    46.1 °F
  • Average 2010–Present

    55.2 °F
  • Average High 2010–Present

    63.9 °F
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