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

54°F

12°C

Humidity 39%
Wind Speed N 13 mph
Barometer 30.07 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 2 May 4:35 pm EDT
Extended Forecast for

Greencastle IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 55. North northwest wind around 8 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 36. North wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Isolated showers after 2pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. Southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 62 °F

    Areas Frost
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. South southwest wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 74 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 58. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 65. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 45. West wind around 10 mph becoming north northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 57. North northeast wind around 8 mph.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 55. North northwest wind around 8 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 36. North wind around 5 mph becoming calm in the evening.
Sunday
Isolated showers after 2pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. Southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. South southwest wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 58. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 65. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 45. West wind around 10 mph becoming north northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 57. North northeast wind around 8 mph.
Wednesday Night
A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 43. North northeast wind around 7 mph.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.62°N 86.86°W (Elev. 846 ft)
Last Update:
4:15 pm EDT May 2, 2026
Forecast Valid:
4pm EDT May 2, 2026-6pm EDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation