New Castle Airport Weather Forecast

    • 37
    • 52

    Rain

    • 21
    • 41

    Partly Sunny

    • 36
    • 42

    Cloudy

    • 37
    • 55

    Mostly Cloudy

    • 33
    • 49

    Mostly Cloudy

    • 41
    • 48

    Rain Likely

Today 31 Jan New Castle

A chance of rain this Morning, then rain this afternoon. Highs in the lower 50s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 31 Jan New Castle

Cloudy. Rain, mainly in the evening. Lows in the upper 30s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Airport Temperature Statistics

January Temperature

Wilmington, New Castle County Airport (0 miles)

  • Lowest 23 January, 2025

    4.7 °F

  • Average January

    29.5 °F

  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (0 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.3 °F
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