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

54°F

12°C

Humidity 67%
Wind Speed SW 8 mph
Barometer 30.05 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 8 Nov 7:35 pm EST
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Clear, with a low around 37. West wind around 6 mph becoming calm after midnight.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Southwest wind around 6 mph.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. West wind 3 to 6 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 40 percent chance of rain after 1pm. Partly sunny, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.

    High: 64 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 41. West wind 6 to 11 mph becoming north in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 49. North wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 37. West wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Clear, with a low around 40. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 65. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Veterans Day
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 41. West wind 6 to 11 mph becoming north in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 49. North wind 14 to 16 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 32. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 44. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
7:45 pm EST Nov 8, 2026
Forecast Valid:
7pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
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Additional Resources

Radar & Satellite Image

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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