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.

Overcast

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Apr 3:55 am EDT
Extended Forecast for

Greencastle IN

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 66. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then isolated showers between 9am and 10am. Cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 58. South wind 9 to 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.

    Low: 58 °F

    Scattered
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then showers likely. High near 68. West northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Scattered showers, mainly before 8pm. Partly cloudy, with a low around 38. West northwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Scattered
    Showers

  • Sunday

    Sunday: Sunny, with a high near 57. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 8 mph.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 66. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 9am, then isolated showers between 9am and 10am. Cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 83. Light south southeast wind becoming south 5 to 10 mph in the morning.
Friday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 58. South wind 9 to 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.
Saturday
Showers and possibly a thunderstorm before 11am, then showers likely. High near 68. West northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Scattered showers, mainly before 8pm. Partly cloudy, with a low around 38. West northwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 57. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 61. Southeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle IN
 39.65°N 86.86°W (Elev. 850 ft)
Last Update:
3:45 am EDT Apr 16, 2026
Forecast Valid:
4am EDT Apr 16, 2026-6pm EDT Apr 22, 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