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

86°F

30°C

Humidity 46%
Wind Speed SW 9 mph
Barometer 29.93 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Oct 3:35 pm EDT
Extended Forecast for

Greencastle IN

  • Columbus Day

    Columbus Day: Sunny, with a high near 85. South southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. South southwest wind around 9 mph, with gusts as high as 18 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 69. South southwest wind around 7 mph.

    Low: 69 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 81. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Southeast wind 7 to 9 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 54. South southwest wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Friday

    Friday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 61. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 61 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 85. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 67. South southwest wind around 9 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 89. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 69. South southwest wind around 7 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 81. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Southeast wind 7 to 9 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 54. South southwest wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Friday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 61. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 39. North northwest wind 7 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 65.
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:
3:22 pm EDT Oct 12, 2026
Forecast Valid:
3pm EDT Oct 12, 2026-6pm EDT Oct 18, 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