New Castle Weather Forecast

    • 60
    • 65

    Rain Showers

    • 59
    • 73

    Chance Thunderstorms

    • 60
    • 78

    Chance Rain Showers

    • 62
    • 80

    Chance Rain Showers

    • 64
    • 81

    Chance Thunderstorms

Today 22 May Henry

Cloudy. Scattered Showers through early Afternoon, then Showers and scattered Thunderstorms late this afternoon. Highs in the mid 60s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 22 May Henry

Cloudy. Showers and scattered Thunderstorms through the late Overnight, then a chance of Showers with isolated Thunderstorms toward daybreak. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph, becoming southeast toward daybreak. Gusts up to 20 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

May Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    56.3 °F

  • Highest 19 May, 2026

    84.2 °F

Climate (2021–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    62.3 °F
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