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 85%
Wind Speed E 6 mph
Barometer 30.08 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 26 May 9:15 am EDT
Extended Forecast for

Greencastle IN

  • Today

    Today: A slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 80. East wind 3 to 6 mph. Chance of precipitation is 10%.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 62. Light and variable wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. East wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Light east northeast wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. East northeast wind 5 to 7 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 80. East wind 3 to 6 mph. Chance of precipitation is 10%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 62. Light and variable wind. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 57. East wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 77. East wind around 5 mph.
Friday Night
Partly cloudy, with a low around 56. Light east northeast wind.
Saturday
Mostly sunny, with a high near 76. East northeast wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 54. East northeast wind around 7 mph.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 77.
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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:
9:15 am EDT May 26, 2026
Forecast Valid:
9am EDT May 26, 2026-6pm EDT Jun 1, 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