New Castle Weather Forecast

    • 46
    • 72

    Mostly Sunny

    • 51
    • 70

    Decreasing Clouds

    • 62
    • 80

    Rain Showers

    • 50
    • 71

    Chance Thunderstorms

    • 40
    • 62

    Mostly Sunny

    • 39
    • 61

    Partly Sunny

    • 37
    • 58

    Partly Sunny

Today 25 Apr Henry

Mostly sunny. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 25 Apr Henry

Partly cloudy. Lows in the mid 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

April Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 7 April, 2026

    30.7 °F

  • Average April

    56.2 °F

  • Highest 17 April, 2026

    81.1 °F

Climate (2021–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    62.3 °F
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