National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair with Haze

31°F

-1°C

Humidity 82%
Wind Speed NW 7 mph
Barometer 29.90 in (1014.3 mb)
Dewpoint 26°F (-3°C)
Visibility 4.00 mi
Wind Chill24°F (-4°C)
Last update 6 Jan 9:53 am EST
Extended Forecast for

Greencastle PA

  • Today

    Today: Cloudy, with a high near 49. Calm wind becoming south around 5 mph.

    High: 49 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog between 8pm and 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 40. Light and variable wind becoming west 5 to 7 mph in the evening.

    Low: 40 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday

    Friday: Rain likely. Cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

Detailed Forecast

Today
Cloudy, with a high near 49. Calm wind becoming south around 5 mph.
Tonight
Patchy fog between 8pm and 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 40. Light and variable wind becoming west 5 to 7 mph in the evening.
Wednesday
Mostly sunny, with a high near 52. West wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 34. West wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A chance of rain, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely. Cloudy, with a high near 60. Chance of precipitation is 70%.
Friday Night
Rain likely. Cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle PA
 39.78°N 77.74°W (Elev. 548 ft)
Last Update:
7:26 am EST Jan 6, 2026
Forecast Valid:
10am EST Jan 6, 2026-6pm EST Jan 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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