New Castle Airport Weather Forecast

    • 76
    • 89

    Rain Showers Likely

    • 76
    • 93

    Chance Thunderstorms

    • 70
    • 86

    Partly Sunny

    • 73
    • 86

    Rain Showers Likely

    • 70
    • 88

    Chance Thunderstorms

    • 68
    • 85

    Partly Sunny

    • 69
    • 85

    Slight Chance Thunderstorms

Today 16 Jul New Castle

Partly sunny. Showers and Thunderstorms likely this afternoon. Hot with Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 16 Jul New Castle

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly this evening. Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

New Castle Airport Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (0 miles)

  • Lowest 5 July, 2025

    61.6 °F

  • Average July

    79.4 °F

  • Highest 8 July, 2025

    94.6 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (0 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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