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

Hurricane Erin Moving Away from the North Carolina Coast, Dangerous Surf & Rip Currents Continue; Hazardous Heat out West

Tropical storm conditions, storm surge flooding and coastal flooding continue today across the Outer Banks and portions of the Mid-Atlantic coast. Life-threatening rip currents and high surf continue to impact much of the East Coast through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

69°F

21°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 29.96 in (1015.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 5:56 pm EDT
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northeast wind 5 to 9 mph becoming light north. Winds could gust as high as 21 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80. North wind 3 to 5 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 66. South wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

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

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Northeast wind 5 to 9 mph becoming light north. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 80. North wind 3 to 5 mph.
Friday Night
Clear, with a low around 59. Calm wind.
Saturday
Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 66. South wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.28°N 77.19°W (Elev. 751 ft)
Last Update:
4:29 pm EDT Aug 21, 2025
Forecast Valid:
6pm EDT Aug 21, 2025-6pm EDT Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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