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

25°F

-4°C

Humidity 80%
Wind Speed S 8 mph
Barometer 29.91 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 5 Dec 9:55 pm EST
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 29 by 5am. South southwest wind 8 to 10 mph.

    Low: 25 °F⇑

    Mostly Cloudy

  • Saturday

    Saturday: Patchy flurries and freezing rain before 11am, then a slight chance of flurries between 11am and noon. Mostly cloudy, with a high near 32. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 32 °F

    Patchy Wintry
    Mix then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Rain likely, possibly mixed with snow, mainly before 1pm. Cloudy, with a high near 35. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 35 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 13. North northeast wind 7 to 9 mph.

    Low: 13 °F

    Slight Chance
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 25. East northeast wind 3 to 6 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Calm wind becoming south southwest 5 to 9 mph after midnight.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 32. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 29 by 5am. South southwest wind 8 to 10 mph.
Saturday
Patchy flurries and freezing rain before 11am, then a slight chance of flurries between 11am and noon. Mostly cloudy, with a high near 32. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of snow after 1am. Cloudy, with a low around 26. Light and variable wind.
Sunday
Rain likely, possibly mixed with snow, mainly before 1pm. Cloudy, with a high near 35. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 13. North northeast wind 7 to 9 mph.
Monday
Mostly sunny, with a high near 25. East northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 14. Calm wind becoming south southwest 5 to 9 mph after midnight.
Tuesday
Partly sunny, with a high near 37. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 32. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 40. Southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly cloudy, with a high near 25.
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 86.83°W (Elev. 850 ft)
Last Update:
9:45 pm EST Dec 5, 2025
Forecast Valid:
10pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
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