New Castle Weather Forecast

    • 57
    • 87

    Partly Sunny

    • 57
    • 86

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 60
    • 89

    Partly Sunny

    • 61
    • 83

    Chance Rain Showers

    • 60
    • 82

    Chance Rain Showers

Today 16 Sep Henry

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 16 Sep Henry

Clear. Lows in the upper 50s. East Winds around 5 Mph.

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New Castle Temperature Statistics

September Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 8 September, 2025

    42.3 °F

  • Average September

    59.7 °F

  • Highest 12 September, 2025

    84.2 °F

Climate (2020–Present)

Anderson Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.9 °F
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