New Castle Weather Forecast

    • 72
    • 91

    Areas Fog

    • 62
    • 91

    Thunderstorms Likely

    • 59
    • 73

    Slight Chance Rain Showers

    • 55
    • 69

    Mostly Cloudy

    • 62
    • 71

    Chance Rain Showers

    • 67
    • 80

    Chance Rain Showers

    • 61
    • 78

    Chance Thunderstorms

Today 21 May New Castle

Sunny, hot. Near steady temperature in the lower 90s. Southwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (1.9 miles)

  • Lowest 1 May, 2022

    41 °F
  • Average May

    61.8 °F
  • Highest 17 May, 2022

    81 °F

Climate (2010–Present)

Wilmington, New Castle County Airport (1.9 miles)

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  • Average Low 2010–Present

    47.5 °F
  • Average 2010–Present

    56 °F
  • Average High 2010–Present

    64.7 °F
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