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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair and Breezy

18°F

-8°C

Humidity 49%
Wind Speed W 21 G 36 mph
Barometer 30.12 in (1022.2 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 27 Jan 10:53 pm EST
Extended Forecast for

4 Miles N Williamsport MD

Cold Weather Advisory January 27, 11:05pm until January 28, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 27, 11:05pm until January 28, 11:00am

    NOW until 11:00am Wed

    Cold Weather Advisory

  • Tonight

    Low: 3 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 21. Wind chill values as low as -8. West wind 6 to 9 mph.

    High: 21 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3. Wind chill values as low as -5. Northwest wind 3 to 5 mph.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21. Wind chill values as low as -6. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. Northwest wind 3 to 5 mph.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 3. Wind chill values as low as -8. West wind 7 to 9 mph.
Wednesday
Increasing clouds, with a high near 21. Wind chill values as low as -8. West wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 3. Wind chill values as low as -5. Northwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 21. Wind chill values as low as -6. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 1. Northwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 19.
Friday Night
Partly cloudy, with a low around 0.
Saturday
Partly sunny, with a high near 17.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport MD
 39.66°N 77.82°W (Elev. 472 ft)
Last Update:
9:53 pm EST Jan 27, 2026
Forecast Valid:
11pm EST Jan 27, 2026-6pm EST Feb 3, 2026
 
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