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

55°F

13°C

Humidity 52%
Wind Speed S 13 mph
Barometer 29.87 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 27 Feb 8:15 pm EST
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Mostly clear, with a low around 36. South wind 7 to 13 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. North wind 5 to 8 mph becoming southeast in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 1am. Partly cloudy, with a low around 29. East northeast wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 18 mph.

    Low: 29 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Partly sunny, with a high near 40. North wind around 10 mph, with gusts as high as 18 mph.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Cloudy, with a low around 27. Northeast wind around 8 mph.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: A chance of rain and snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 41. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Rain likely, mainly after 1am. Cloudy, with a low around 34. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain. High near 53. South wind 7 to 9 mph. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, with thunderstorms also possible after 1am. Cloudy, with a low around 43. South southwest wind around 8 mph becoming north northeast after midnight. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 36. South wind 7 to 13 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 57. North wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
A 20 percent chance of rain before 1am. Partly cloudy, with a low around 29. East northeast wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 40. North wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A 50 percent chance of snow. Cloudy, with a low around 27. Northeast wind around 8 mph.
Monday
A chance of rain and snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 41. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Monday Night
Rain likely, mainly after 1am. Cloudy, with a low around 34. East wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Rain. High near 53. South wind 7 to 9 mph. Chance of precipitation is 80%.
Tuesday Night
Rain likely, with thunderstorms also possible after 1am. Cloudy, with a low around 43. South southwest wind around 8 mph becoming north northeast after midnight. Chance of precipitation is 70%.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 58. South southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
Rain likely. Cloudy, with a high near 63. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
Rain likely. Cloudy, with a high near 66. Chance of precipitation is 60%.
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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:
8:15 pm EST Feb 27, 2026
Forecast Valid:
8pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation