New Castle Weather Forecast

    • 57
    • 79

    Increasing Clouds

    • 50
    • 75

    Mostly Cloudy

    • 55
    • 74

    Mostly Cloudy

    • 54
    • 77

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 29 May Henry

Mostly sunny. Highs in the upper 70s. Southeast Winds around 5 Mph.

Tonight 29 May Henry

Partly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph, becoming northeast toward daybreak.

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New Castle Temperature Statistics

May Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    58 °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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