New Castle Weather Forecast

    • 74
    • 87

    Rain Showers Likely

    • 74
    • 89

    Chance Thunderstorms

    • 74
    • 90

    Chance Rain Showers

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

Today 7 Jul New Castle

Partly sunny. Patchy fog in the morning. A chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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New Castle Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (1.9 miles)

  • Lowest 2 July, 2020

    64 °F
  • Average July

    78.6 °F
  • Highest 3 July, 2020

    96.1 °F

Climate (2010–Present)

Wilmington, New Castle County Airport (1.9 miles)

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  • Average Low 2010–Present

    48 °F
  • Average 2010–Present

    56.3 °F
  • Average High 2010–Present

    64.9 °F
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