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.

Partly Cloudy

36°F

2°C

Humidity 70%
Wind Speed N 7 mph
Barometer 30.13 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 14 Mar 6:15 am EDT
Extended Forecast for

Greencastle IN

  • Today

    Today: Mostly cloudy, with a high near 51. Calm wind becoming east southeast 5 to 9 mph in the morning.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 70 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 5am, then snow showers likely, possibly mixed with rain. Some thunder is also possible. Low around 27. Breezy, with a south wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 27 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: Snow showers likely, possibly mixed with rain before 8am, then a chance of snow showers. Cloudy, with a high near 28. Breezy, with a west wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 28 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 13 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. West northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after 2am. Mostly cloudy, with a low around 20. West southwest wind 5 to 8 mph becoming south after midnight.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before 8am. Mostly cloudy, with a high near 49. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 51. Calm wind becoming east southeast 5 to 9 mph in the morning.
Tonight
Mostly cloudy, with a low around 44. East southeast wind around 11 mph, with gusts as high as 21 mph.
Sunday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph.
Sunday Night
Rain showers before 5am, then snow showers likely, possibly mixed with rain. Some thunder is also possible. Low around 27. Breezy, with a south wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Snow showers likely, possibly mixed with rain before 8am, then a chance of snow showers. Cloudy, with a high near 28. Breezy, with a west wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 13. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 28. West northwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of snow after 2am. Mostly cloudy, with a low around 20. West southwest wind 5 to 8 mph becoming south after midnight.
Wednesday
A chance of rain and snow, mainly before 8am. Mostly cloudy, with a high near 49. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 35. South southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 61.
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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:
6:15 am EDT Mar 14, 2026
Forecast Valid:
6am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation