New Castle Weather Forecast

    • 33
    • 47

    Mostly Cloudy

    • 16
    • 38

    Snow Likely

    • 16
    • 24

    Chance Snow

    • 18
    • 32

    Chance Snow

    • 6
    • 25

    Chance Snow

    • 5
    • 16

    Mostly Cloudy

Today 13 Jan Henry

Partly cloudy. Highs in the upper 40s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 13 Jan Henry

Mostly clear and cold. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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New Castle Temperature Statistics

January Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 2 January, 2026

    12.2 °F

  • Average January

    35.3 °F

  • Highest 9 January, 2026

    60.8 °F

Climate (2021–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    62.1 °F
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