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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.02 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 0.75 mi
Last update 28 Aug 7:53 am EDT
Extended Forecast for

4 Miles N Williamsport MD

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. North wind 5 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. East wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. East wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. North wind 5 to 7 mph.
Saturday
Sunny, with a high near 84. East wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 64. East wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
7:52 am EDT Aug 28, 2026
Forecast Valid:
8am EDT Aug 28, 2026-6pm EDT Sep 3, 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