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

33°F

1°C

Humidity 92%
Wind Speed NA
Barometer 29.78 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 17 Jan 1:35 am EST
Extended Forecast for

Greencastle IN

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a low around 23. West wind around 9 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Scattered flurries between noon and 3pm, then isolated snow showers after 3pm. Mostly cloudy, with a temperature falling to around 23 by 8am. West wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 25 °F⇓

    Mostly Cloudy
    then Isolated
    Snow Showers

  • Saturday Night

    Saturday Night: Scattered flurries before 7pm. Mostly cloudy, with a low around 12. West wind around 8 mph.

    Low: 12 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Increasing clouds, with a high near 24. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 24 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9. Southwest wind 10 to 14 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.

    Low: 9 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 16. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 6. West northwest wind 6 to 8 mph.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around 23. West wind around 9 mph.
Saturday
Scattered flurries between noon and 3pm, then isolated snow showers after 3pm. Mostly cloudy, with a temperature falling to around 23 by 8am. West wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
Scattered flurries before 7pm. Mostly cloudy, with a low around 12. West wind around 8 mph.
Sunday
Increasing clouds, with a high near 24. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 9. Southwest wind 10 to 14 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Mostly sunny, with a high near 16. West northwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 6. West northwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 25. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 19. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 40. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
A chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 30%.
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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 am EST Jan 17, 2026
Forecast Valid:
1am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation