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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Partly Cloudy

69°F

21°C

Humidity 42%
Wind Speed SW 7 mph
Barometer 29.88 in (1012.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 May 11:53 am EDT
Extended Forecast for

Williamsport MD

  • This Afternoon

    This Afternoon: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 73. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog between 11pm and midnight. Low around 48. Southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 73. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog between 11pm and midnight. Low around 48. Southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 64. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 48. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 73. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport MD
 39.59°N 77.83°W (Elev. 348 ft)
Last Update:
10:53 am EDT May 13, 2026
Forecast Valid:
12pm EDT May 13, 2026-6pm EDT May 19, 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