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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

63°F

17°C

Humidity 73%
Wind Speed N 8 mph
Barometer 30.17 in (1022.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 8:53 am EDT
Extended Forecast for

Hagerstown MD

  • Today

    Today: Mostly cloudy, with a high near 78. Northeast wind around 5 mph becoming calm in the morning.

    High: 78 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers after 2am. Mostly cloudy, with a low around 64. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: 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. Cloudy, with a high near 82. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 58. Light and variable wind becoming north 6 to 11 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers

  • Monday

    Monday: A chance of showers after 8am. Mostly cloudy, with a high near 69. Northeast wind around 9 mph. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely. Cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 78. Northeast wind around 5 mph becoming calm in the morning.
Tonight
A chance of showers after 2am. Mostly cloudy, with a low around 64. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday
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. Cloudy, with a high near 82. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 58. Light and variable wind becoming north 6 to 11 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers after 8am. Mostly cloudy, with a high near 69. Northeast wind around 9 mph. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Showers likely. Cloudy, with a high near 62. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Cloudy, with a low around 51. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hagerstown MD
 39.65°N 77.73°W (Elev. 600 ft)
Last Update:
7:52 am EDT Sep 19, 2026
Forecast Valid:
9am EDT Sep 19, 2026-6pm EDT Sep 25, 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