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

57°F

14°C

Humidity 52%
Wind Speed S 8 mph
Barometer 30.11 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 29 Mar 10:35 pm EDT
Extended Forecast for

Greencastle IN

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 58. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 2pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 37 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 2am, then rain likely and possibly a thunderstorm between 2am and 5am, then rain likely after 5am. Mostly cloudy, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 11am. High near 64. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 53. East northeast wind 10 to 13 mph becoming southeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 2pm, then rain likely. High near 69. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 69 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 50. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 58. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 63. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of rain after 2pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 37 mph.
Tuesday Night
A chance of rain and thunderstorms before 2am, then rain likely and possibly a thunderstorm between 2am and 5am, then rain likely after 5am. Mostly cloudy, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, with thunderstorms also possible after 11am. High near 64. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 53. East northeast wind 10 to 13 mph becoming southeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Thursday
Rain and possibly a thunderstorm before 2pm, then rain likely. High near 69. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday Night
Rain likely. Cloudy, with a low around 50. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 70. South southwest wind around 9 mph.
Friday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 60.
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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:
10:45 pm EDT Mar 29, 2026
Forecast Valid:
10pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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