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.

Partly Cloudy

79°F

26°C

Humidity 74%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Jun 5:55 pm EDT
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 65. West southwest wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms before 11am, then showers and possibly a thunderstorm, mainly after 11am. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a chance of showers after 3am. Low around 66. South wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. North northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 66. Light east southeast wind.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 86. South southeast wind 3 to 6 mph.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Southeast wind around 6 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. South southwest wind 5 to 7 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 65. West southwest wind around 6 mph becoming calm in the evening.
Friday
Showers and thunderstorms before 11am, then showers and possibly a thunderstorm, mainly after 11am. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers and thunderstorms before 2am, then a chance of showers after 3am. Low around 66. South wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. North northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 66. Light east southeast wind.
Sunday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 86. South southeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 71. Southeast wind around 6 mph.
Monday
Sunny and hot, with a high near 91. South southwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 73. South wind 3 to 6 mph.
Tuesday
Sunny and hot, with a high near 92. Southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 93.
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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:
5:45 pm EDT Jun 25, 2026
Forecast Valid:
6pm EDT Jun 25, 2026-6pm EDT Jul 2, 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