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

31°F

-1°C

Humidity 71%
Wind Speed S 6 mph
Barometer 30.09 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 4 Jan 8:55 pm EST
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Cloudy early, then gradual clearing, with a low around 29. South wind 5 to 7 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Monday

    Monday: Mostly sunny, with a high near 48. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind 6 to 9 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of drizzle before 1pm. Mostly cloudy, with a high near 53. South southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 53 °F

    Slight Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West wind around 6 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 42. South southeast wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 58. South wind 7 to 9 mph. Chance of precipitation is 70%.

    High: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 43. South wind 7 to 9 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Showers

Detailed Forecast

Tonight
Cloudy early, then gradual clearing, with a low around 29. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 48. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 40. South wind 6 to 9 mph.
Tuesday
A slight chance of drizzle before 1pm. Mostly cloudy, with a high near 53. South southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 37. West wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 54. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 42. South southeast wind 3 to 6 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 58. South wind 7 to 9 mph. Chance of precipitation is 70%.
Thursday Night
Showers. Low around 43. South wind 7 to 9 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 51. South wind around 10 mph, with gusts as high as 18 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 32.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
8:45 pm EST Jan 4, 2026
Forecast Valid:
9pm EST Jan 4, 2026-6pm EST Jan 11, 2026
 
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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