Greencastle Weather Forecast

    • 63
    • 80

    Rain Showers Likely

    • 56
    • 75

    Rain Showers

    • 64
    • 81

    Rain

    • 40
    • 73

    Rain

    • 35
    • 55

    Mostly Sunny

    • 41
    • 59

    Mostly Sunny

Today 15 Apr Putnam

Mostly sunny early this Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms toward daybreak. Showers and Thunderstorms likely. Highs around 80. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 15 Apr Putnam

Partly cloudy through the late Overnight, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers through the late Overnight, then Showers likely toward daybreak. Lows in the lower 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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Greencastle Temperature Statistics

April Temperature

Terre Haute Regional Airport (28 miles)

  • Lowest 7 April, 2026

    37 °F

  • Average April

    58.8 °F

  • Highest 12 April, 2026

    80.1 °F

Climate (2021–Present)

Terre Haute Regional Airport (28 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.7 °F
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