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. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

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

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Light east southeast wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Sunday Night

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

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. Southwest wind 6 to 9 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South southwest wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Southwest wind 5 to 8 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South wind 3 to 5 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 66. Light east southeast wind.
Sunday
Sunny, with a high near 88. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 71. South wind around 6 mph.
Monday
Sunny and hot, with a high near 91. Southwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 72. South southwest wind around 5 mph.
Tuesday
Sunny and hot, with a high near 93. Southwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 74. South wind 3 to 5 mph.
Wednesday
Mostly sunny and hot, with a high near 92. Southwest wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny and hot, with a high near 92.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Friday
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 86.86°W (Elev. 850 ft)
Last Update:
4:45 pm EDT Aug 28, 2026
Forecast Valid:
5pm EDT Aug 28, 2026-6pm EDT Sep 4, 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