New Castle Weather Forecast

    • 54
    • 76

    Increasing Clouds

    • 41
    • 68

    Rain Likely

    • 53
    • 65

    Partly Sunny

    • 63
    • 79

    Chance Rain

    • 65
    • 76

    Chance Rain

    • 65
    • 82

    Chance Thunderstorms

    • 57
    • 79

    Chance Rain

Today 9 Apr Henry

Partly cloudy. Warmer with Highs in the mid 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 9 Apr Henry

Mostly clear through the late Overnight, then becoming partly cloudy. Lows in the mid 50s. Southwest 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

April Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 7 April, 2026

    30.7 °F

  • Average April

    51.7 °F

  • Highest 3 April, 2026

    77.9 °F

Climate (2021–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    62.2 °F
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