Greencastle Weather Forecast

    • 71
    • 84

    Rain Showers

    • 72
    • 84

    Rain Showers

    • 70
    • 85

    Thunderstorms Likely

    • 71
    • 82

    Rain Showers Likely

    • 73
    • 88

    Chance Thunderstorms

    • 75
    • 91

    Slight Chance Thunderstorms

Today 18 Jul Putnam

Partly cloudy. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming west.

Tonight 18 Jul Putnam

Partly cloudy. Scattered Showers with isolated Thunderstorms toward daybreak. Humid with Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Greencastle Temperature Statistics

July Temperature

Terre Haute Regional Airport (28 miles)

  • Lowest 8 July, 2025

    63 °F

  • Average July

    79.1 °F

  • Highest 5 July, 2025

    93.9 °F

Climate (2020–Present)

Terre Haute Regional Airport (28 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    65.4 °F
Get WillyWeather+ to remove ads