National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Putnam County Regional Airport (KGPC)

Lat: 39.64°NLon: 86.82°WElev: 827ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 7 Aug 10:15 am EDT
Extended Forecast for

Greencastle IN

  • Today

    Today: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South southwest wind 5 to 7 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South southwest wind 5 to 7 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. South southwest wind 5 to 7 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 88. Calm wind.
Tonight
Partly cloudy, with a low around 68. Calm wind.
Friday
Mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 70. Light south southeast wind.
Saturday
Sunny, with a high near 88. South southwest wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 71. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 88. South southwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 71. South wind 3 to 6 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. South southwest wind 5 to 7 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
10:15 am EDT Aug 7, 2025
Forecast Valid:
10am EDT Aug 7, 2025-6pm EDT Aug 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation