National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Putnam County Regional Airport (KGPC)

Lat: 39.64°NLon: 86.82°WElev: 827ft.

Partly Cloudy and Breezy

77°F

25°C

Humidity 47%
Wind Speed N 21 G 26 mph
Barometer 29.65 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Mar 5:15 pm EDT
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm. Low around 33. Breezy, with a north wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. North wind around 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. North northeast wind 3 to 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. South southeast wind around 6 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. South southeast wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. South southwest wind 5 to 8 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 54. South wind 6 to 8 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Thursday

    Thursday: A chance of rain before 8am, then a chance of rain and thunderstorms after 2pm. Mostly sunny, with a high near 79. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 37. Southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm. Low around 33. Breezy, with a north wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 49. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 32. North northeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 56. South southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 66. South southwest wind 5 to 8 mph.
Wednesday Night
A 30 percent chance of rain and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 54. South wind 6 to 8 mph.
Thursday
A chance of rain before 8am, then a chance of rain and thunderstorms after 2pm. Mostly sunny, with a high near 79. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 37. Southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Friday
A chance of rain and snow before 2pm, then a slight chance of rain. Partly sunny, with a high near 45. North wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday Night
A 10 percent chance of rain. Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
5:15 pm EDT Mar 22, 2026
Forecast Valid:
5pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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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