New Castle Weather Forecast

    • 38
    • 46

    Increasing Clouds

    • 30
    • 54

    Mostly Cloudy

    • 41
    • 49

    Mostly Cloudy

    • 27
    • 68

    Rain

    • 14
    • 31

    Slight Chance Snow

    • 19
    • 29

    Mostly Cloudy

Today 12 Mar Henry

Sunny. Much cooler with Highs in the mid 40s. West Winds 10 to 15 Mph. Gusts up to 25 Mph this afternoon.

Tonight 12 Mar Henry

Partly cloudy through Midnight, then becoming mostly cloudy. Breezy with Lows in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to south 20 to 25 Mph with Gusts up to 40 Mph toward daybreak.

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New Castle Temperature Statistics

March Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 2 March, 2026

    25.3 °F

  • Average March

    49.3 °F

  • Highest 6 March, 2026

    75.7 °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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