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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

73°F

23°C

Humidity 90%
Wind Speed Calm
Barometer 30.00 in (1016.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 2:53 am EDT
Extended Forecast for

Hagerstown, Washington County Regional Airport MD

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Patchy Fog

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 95. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 95 °F

    Patchy Fog
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and 1am. Mostly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    T-storms then
    Isolated
    Showers

  • Monday

    Monday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. North wind around 7 mph. Chance of precipitation is 40%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Light south wind.
Sunday
Scattered showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 95. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and 1am. Mostly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. North wind around 7 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 7 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Hagerstown, Washington County Regional Airport MD
 39.72°N 77.75°W (Elev. 597 ft)
Last Update:
1:29 am EDT Aug 17, 2025
Forecast Valid:
3am EDT Aug 17, 2025-6pm EDT Aug 23, 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