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

74°F

23°C

Humidity 79%
Wind Speed NW 9 mph
Barometer 29.85 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 28 Jul 8:35 pm EDT
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Partly cloudy, with a low around 61. North wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light north northeast wind becoming north 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Light north northeast wind.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 3 to 5 mph.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Southeast wind around 8 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. Northeast wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. North wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 82. Light north northeast wind becoming north 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Light north northeast wind.
Thursday Night
Partly cloudy, with a low around 63. Light and variable wind.
Friday
Partly sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Southeast wind around 8 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. Northeast wind 6 to 9 mph. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. East northeast wind 7 to 9 mph. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
8:15 pm EDT Jul 28, 2026
Forecast Valid:
8pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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