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

61°F

16°C

Humidity NA
Wind Speed NE 3 mph
Barometer 30.07 in
Dewpoint N/A
Visibility 10.00 mi
Last update 5 Aug 7:15 am EDT
Extended Forecast for

Greencastle IN

  • Today

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

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Isolated showers between 3am and 5am, then isolated showers and thunderstorms after 5am. Increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Isolated
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly between 7am and 2pm. Partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • 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: Showers likely and possibly a thunderstorm before 2pm, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 8am, then isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 3 to 6 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Isolated
    T-storms

  • Saturday Night

    Saturday Night: Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Light south wind. Chance of precipitation is 10%.

    Low: 68 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Isolated showers between 3am and 5am, then isolated showers and thunderstorms after 5am. Increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday
Scattered showers and thunderstorms, mainly between 7am and 2pm. Partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon. 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
Showers likely and possibly a thunderstorm before 2pm, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely before 8am, then isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Saturday Night
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Light south wind. Chance of precipitation is 10%.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South southwest wind around 6 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
7:15 am EDT Aug 5, 2026
Forecast Valid:
7am EDT Aug 5, 2026-6pm EDT Aug 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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