Greencastle Weather Forecast

    • 17
    • 66

    Rain Showers

    • 15
    • 26

    Blustery

    • 25
    • 28

    Partly Sunny

    • 22
    • 37

    Chance Snow Showers

    • 15
    • 31

    Partly Sunny

    • 25
    • 33

    Partly Sunny

Today 28 Dec Putnam

Cloudy with scattered Showers with isolated Thunderstorms. Warmer. Near steady temperature in the mid 60s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 28 Dec Putnam

Scattered rain Showers with isolated Thunderstorms late this Afternoon, then rain Showers with isolated Thunderstorms through midnight. Windy and much Colder with Lows 15 to 20. Southwest Winds 15 to 20 Mph, becoming west 20 to 30 Mph. Gusts up to 45 Mph. Chance of rain near 100 percent.

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Greencastle Temperature Statistics

December Temperature

Terre Haute Regional Airport (28 miles)

  • Lowest 15 December, 2025

    -9.9 °F

  • Average December

    32.9 °F

  • Highest 26 December, 2025

    66.9 °F

Climate (2020–Present)

Terre Haute Regional Airport (28 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    65.4 °F
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