National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

8°F

-13°C

Humidity 57%
Wind Speed SW 5 mph
Barometer 30.57 in (1037.8 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 21 Jan 4:53 am EST
Extended Forecast for

Greencastle PA

Cold Weather Advisory January 21, 04:57am until January 22, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 21, 04:57am until January 22, 12:00pm

    NOW until 12:00pm Wed

    Cold Weather Advisory

  • Today

    High: 18 °F

    Cloudy

  • Tonight

    Tonight: A slight chance of snow showers before 10pm. Partly cloudy, with a low around 0. Light and variable wind becoming west around 6 mph in the evening. Chance of precipitation is 20%.

    Low: 0 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 16. Wind chill values as low as -5. Light and variable wind.

    High: 16 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 18. Wind chill values as low as -5. West wind 3 to 7 mph.
Tonight
A slight chance of snow showers before 10pm. Partly cloudy, with a low around 0. Light and variable wind becoming west around 6 mph in the evening. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 16. Wind chill values as low as -5. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 5. Calm wind.
Thursday
Mostly sunny, with a high near 29. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 40.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle PA
 39.78°N 77.74°W (Elev. 548 ft)
Last Update:
3:51 am EST Jan 21, 2025
Forecast Valid:
4am EST Jan 21, 2025-6pm EST Jan 27, 2025
 
Forecast Discussion
 
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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