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.

Fair

51°F

11°C

Humidity 63%
Wind Speed SW 13 mph
Barometer 29.93 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 8 May 7:55 am EDT
Extended Forecast for

Greencastle IN

  • Today

    Today: Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 68. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 52. Northwest wind 5 to 7 mph becoming south southwest in the evening. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. West southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 74 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 54. West southwest wind 3 to 6 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 65. North northeast wind around 6 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. North northeast wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62. Light north northeast wind becoming north northwest 5 to 9 mph in the morning.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind around 5 mph becoming light and variable in the evening.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 65. Light southeast wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 68. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 52. Northwest wind 5 to 7 mph becoming south southwest in the evening. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. West southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Increasing clouds, with a low around 54. West southwest wind 3 to 6 mph.
Sunday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 65. North northeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 43. North northeast wind around 5 mph.
Monday
Sunny, with a high near 62. Light north northeast wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 42. North wind around 5 mph becoming light and variable in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 65. Light southeast wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday
A 10 percent chance of showers. Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.83°W (Elev. 850 ft)
Last Update:
7:45 am EDT May 8, 2026
Forecast Valid:
8am EDT May 8, 2026-6pm EDT May 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation