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.

Overcast

46°F

8°C

Humidity 46%
Wind Speed SW 6 mph
Barometer 30.01 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 14 Feb 4:15 pm EST
Extended Forecast for

Greencastle IN

  • This Afternoon

    This Afternoon: Cloudy, with a high near 52. South southwest wind around 7 mph.

    High: 52 °F

    Cloudy

  • Tonight

    Tonight: Rain, mainly after 9pm. Low around 42. South wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 53. East wind around 7 mph becoming north in the afternoon.

    High: 53 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 56. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 56 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. South wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Mostly sunny, with a high near 67. South southwest wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 67 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 52. South southwest wind around 7 mph.
Tonight
Rain, mainly after 9pm. Low around 42. South wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 53. East wind around 7 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 36. Light and variable wind.
Washington's Birthday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 56. Calm wind becoming south southwest 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 41. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 59. South wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South wind 10 to 16 mph, with gusts as high as 28 mph.
Wednesday
A 20 percent chance of rain before 1pm. Mostly sunny, with a high near 67. South southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 51.
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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:
4:16 pm EST Feb 14, 2026
Forecast Valid:
4pm EST Feb 14, 2026-6pm EST Feb 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation