National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Putnam County Regional Airport (KGPC)

Lat: 39.64°NLon: 86.82°WElev: 827ft.

Fair

66°F

19°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Sep 7:55 pm EDT
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Mostly clear, with a low around 55. North wind around 5 mph becoming light and variable in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Light southeast wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. South southwest wind 3 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 66. South wind around 7 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 85. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. West southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. North wind 6 to 9 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. Northeast wind 6 to 10 mph.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 55. North wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Light southeast wind.
Wednesday
Mostly sunny, with a high near 85. South southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 66. South wind around 7 mph.
Thursday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 85. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. West southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. North wind 6 to 9 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56. Northeast wind 6 to 10 mph.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 69. East wind around 9 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 69.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.83°W (Elev. 850 ft)
Last Update:
7:45 pm EDT Sep 28, 2026
Forecast Valid:
8pm EDT Sep 28, 2026-6pm EDT Oct 5, 2026
 
Forecast Discussion
 
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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