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

64°F

18°C

Humidity NA
Wind Speed Calm
Barometer 30.09 in
Dewpoint N/A
Visibility 10.00 mi
Last update 5 Aug 1:35 am EDT
Extended Forecast for

Greencastle IN

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms after 3am. Increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Partly Cloudy
    then Isolated
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms before 8am, then scattered showers between 8am and 11am, then scattered showers and thunderstorms after 11am. Partly sunny, with a high near 81. South southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 67. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Scattered
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 3 to 7 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Light south southwest wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Isolated showers and thunderstorms after 3am. Increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday
Scattered showers and thunderstorms before 8am, then scattered showers between 8am and 11am, then scattered showers and thunderstorms after 11am. Partly sunny, with a high near 81. South southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 67. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 3 to 7 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Light south southwest wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 84. Light south southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.62°N 86.86°W (Elev. 846 ft)
Last Update:
1:15 am EDT Aug 5, 2026
Forecast Valid:
1am EDT Aug 5, 2026-6pm EDT Aug 11, 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