New Castle Weather Forecast

    • 32
    • 45

    Decreasing Clouds

    • 18
    • 52

    Rain

    • 22
    • 26

    Mostly Cloudy

    • 24
    • 43

    Mostly Cloudy

    • 22
    • 35

    Partly Sunny

    • 32
    • 38

    Rain Showers

    • 34
    • 47

    Rain Showers

Today 17 Dec Henry

Partly cloudy. Highs in the mid 40s. West Winds around 5 Mph, becoming south.

Tonight 17 Dec Henry

Partly cloudy through Midnight, then becoming mostly cloudy. Cold with Lows in the lower 30s. Temperature steady or slowly rising after midnight. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

December Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 15 December, 2025

    -5.3 °F

  • Average December

    23.1 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    62 °F
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