New Castle Weather Forecast

    • 68
    • 85

    Thunderstorms

    • 65
    • 83

    Rain Showers

    • 64
    • 83

    Slight Chance Rain Showers

    • 66
    • 85

    Mostly Sunny

    • 69
    • 88

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

Today 10 Jul Henry

Partly cloudy. Isolated Showers and Thunderstorms Early, then scattered Showers and Thunderstorms late. Highs in the mid 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 10 Jul Henry

Mostly cloudy with scattered Showers. Scattered Thunderstorms through the late Overnight, then isolated Thunderstorms toward daybreak. Patchy fog. Lows in the upper 60s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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New Castle Temperature Statistics

July Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 8 July, 2026

    62.4 °F

  • Average July

    76.1 °F

  • Highest 1 July, 2026

    91.4 °F

Climate (2021–2026)

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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