New Castle Weather Forecast

    • 35
    • 41

    Rain Likely

    • 20
    • 39

    Rain/Snow

    • 21
    • 27

    Chance Snow

    • 12
    • 32

    Chance Snow

    • 3
    • 19

    Chance Snow

    • 3
    • 15

    Partly Sunny

Today 9 Dec Henry

Partly cloudy and not as cool. Near steady temperature in the mid 30s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 9 Dec Henry

A chance of rain through Midnight, then rain likely toward daybreak. Breezy and not as cool. Near steady temperature in the mid 30s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 70 percent.

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New Castle Temperature Statistics

December Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 5 December, 2025

    7 °F

  • Average December

    24.6 °F

  • Highest 7 December, 2025

    33.3 °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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