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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Mostly clear, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 58. North northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Light south southeast wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87. Light south southeast wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 58. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 64. Light south southeast wind.
Sunday
Sunny, with a high near 87. Light south southeast wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 70. South wind around 7 mph.
Monday
Sunny, with a high near 90. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 72. South wind around 6 mph.
Tuesday
Sunny and hot, with a high near 91. Southwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.83°W (Elev. 850 ft)
Last Update:
5:15 pm EDT Aug 27, 2026
Forecast Valid:
5pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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