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

41°F

5°C

Humidity 90%
Wind Speed N 14 mph
Barometer 30.34 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 27 Mar 1:55 pm EDT
Extended Forecast for

Greencastle IN

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 43. North wind around 11 mph, with gusts as high as 21 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 9 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. South wind around 6 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 60. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. South wind around 8 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 72. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 79. South southwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 43. North wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 9 mph.
Saturday
Sunny, with a high near 49. Light and variable wind.
Saturday Night
Increasing clouds, with a low around 37. South wind around 6 mph.
Sunday
Partly sunny, with a high near 60. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 52. South wind around 8 mph.
Monday
Partly sunny, with a high near 72. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 79. South southwest wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 61. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 71.
Wednesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 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:
1:45 pm EDT Mar 27, 2026
Forecast Valid:
2pm EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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