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

34°F

1°C

Humidity 56%
Wind Speed NW 6 mph
Barometer 30.27 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Feb 10:15 pm EST
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Light north wind.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. Calm wind becoming south around 6 mph in the morning.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South southwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Calm wind becoming south around 5 mph in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Cloudy, with a low around 39. East southeast wind around 6 mph.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 52. East northeast wind around 7 mph.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. North northeast wind 3 to 5 mph.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Light north wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 44. Calm wind.
Thursday Night
Mostly clear, with a low around 26. Calm wind.
Friday
Sunny, with a high near 49. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 31. South southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 52. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 39. East southeast wind around 6 mph.
Sunday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 52. East northeast wind around 7 mph.
Sunday Night
Mostly clear, with a low around 33. North northeast wind 3 to 5 mph.
Washington's Birthday
Partly sunny, with a high near 55. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 63.
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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:
10:15 pm EST Feb 11, 2026
Forecast Valid:
10pm EST Feb 11, 2026-6pm EST Feb 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation