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

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 9 Oct 6:15 am EDT
Extended Forecast for

Greencastle IN

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. East southeast wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 77. Southeast wind 6 to 9 mph.

    High: 77 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 58. East wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 72. East wind 5 to 7 mph becoming north in the afternoon.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Light west wind.

    Low: 55 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South southwest wind around 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southwest wind 7 to 10 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 58. East southeast wind around 6 mph.
Saturday
Mostly cloudy, with a high near 77. Southeast wind 6 to 9 mph.
Saturday Night
Showers likely. Mostly cloudy, with a low around 58. East wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 72. East wind 5 to 7 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. Light west wind.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. South southwest wind around 8 mph.
Tuesday
Sunny, with a high near 81. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 57. Northeast wind 5 to 9 mph.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 75.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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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:
6:15 am EDT Oct 9, 2026
Forecast Valid:
6am EDT Oct 9, 2026-6pm EDT Oct 15, 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