New Castle Weather Forecast

    • 21
    • 28

    Mostly Cloudy

    • 24
    • 32

    Snow Likely

    • 9
    • 31

    Snow Likely

    • 13
    • 22

    Partly Sunny

    • 28
    • 33

    Rain Likely

    • 18
    • 37

    Rain Likely

Today 5 Dec Henry

Partly cloudy. Cold with Highs in the upper 20s. Southwest Winds 5 to 10 Mph.

Tonight 5 Dec Henry

Partly cloudy through Midnight, then mostly cloudy with patchy freezing drizzle toward daybreak. Not as cold with Lows in the lower 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

December Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 1 December, 2025

    16.2 °F

  • Average December

    23.5 °F

  • Highest 1 December, 2025

    30.2 °F

Climate (2020–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    62.1 °F
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