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

63°F

17°C

Humidity 59%
Wind Speed W 10 mph
Barometer 30.05 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 7:55 am EDT
Extended Forecast for

Greencastle IN

  • Today

    Today: Partly sunny, with a high near 76. Southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southeast wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 62. South wind around 8 mph.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 74. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 55. Southwest wind around 7 mph becoming west northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 72. North wind 6 to 8 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Northeast wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. East wind around 7 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 76. Southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 57. South southeast wind 3 to 7 mph.
Thursday
Sunny, with a high near 79. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Thursday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 62. South wind around 8 mph.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 74. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 55. Southwest wind around 7 mph becoming west northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 72. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 50. Northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 74. East wind around 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 57. East southeast wind 7 to 10 mph, with gusts as high as 21 mph.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 68.
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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:
7:56 am EDT Apr 22, 2026
Forecast Valid:
8am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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