New Castle Weather Forecast

    • 46
    • 66

    Increasing Clouds

    • 43
    • 71

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 36
    • 78

    Chance Thunderstorms

    • 31
    • 49

    Partly Sunny

    • 38
    • 52

    Mostly Cloudy

    • 45
    • 58

    Mostly Cloudy

Today 19 Mar Henry

Mostly sunny. Not as cool with Highs in the mid 60s. Southwest Winds around 5 Mph.

Tonight 19 Mar Henry

Partly cloudy. Not as cool with Lows in the mid 40s. South Winds 5 to 10 Mph. Gusts up to 25 Mph toward daybreak.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

March Temperature

Anderson Municipal Airport (17.4 miles)

  • Lowest 16 March, 2026

    21.9 °F

  • Average March

    47.3 °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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