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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Mostly Cloudy

80°F

27°C

Humidity 76%
Wind Speed S 13 mph
Barometer 29.75 in (1007.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 2 Aug 4:53 pm EDT
Extended Forecast for

Williamsport MD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Cloudy, with a high near 79. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers and thunderstorms after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 70. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of thunderstorms after 5pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 62. North wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Cloudy, with a high near 79. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers and thunderstorms after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 70. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of thunderstorms after 5pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Monday Night
A chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 62. North wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 85. Light and variable wind becoming east around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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:
4:53 pm EDT Aug 2, 2026
Forecast Valid:
5pm EDT Aug 2, 2026-6pm EDT Aug 9, 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