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

Tropical System Impacts for the East; Severe Weather and Heavy Rainfall Threats

Heavy rain and dangerous surf conditions up the East Coast are forecast as tropical storm conditions approach late this week and into the weekend. Meanwhile, strong to severe thunderstorms are expected to impact portions of the central U.S. including heavy to excessive rainfall through Saturday. For the Intermountain region, below normal temperatures and some snow for the higher terrain. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

60°F

16°C

Humidity 80%
Wind Speed Calm
Barometer 30.26 in (1025.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Sep 9:56 pm EDT
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind around 6 mph.

    Partly Cloudy

    Low: 53 °F

  • Friday

    Friday: Partly sunny, with a high near 72. Northeast wind 6 to 14 mph, with gusts as high as 18 mph.

    Partly Sunny

    High: 72 °F

  • Friday
    Night

    Friday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 56. East wind 14 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain
    then Rain
    Likely

    Low: 56 °F

  • Saturday

    Saturday: Rain. High near 61. Windy, with a north wind 23 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Windy

    High: 61 °F

  • Saturday
    Night

    Saturday Night: Rain. Low around 56. Windy, with a north wind 26 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    Rain and
    Windy

    Low: 56 °F

  • Sunday

    Sunday: Rain likely before 7am, then showers likely, mainly between 7am and 9am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    Rain Likely

    High: 64 °F

  • Sunday
    Night

    Sunday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Chance
    Showers then
    Mostly Cloudy

    Low: 55 °F

  • Monday

    Monday: Partly sunny, with a high near 69.

    Partly Sunny

    High: 69 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 55.

    Mostly Cloudy

    Low: 55 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. East wind around 6 mph.
Friday
Partly sunny, with a high near 72. Northeast wind 6 to 14 mph, with gusts as high as 18 mph.
Friday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 56. East wind 14 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 61. Windy, with a north wind 23 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 56. Windy, with a north wind 26 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Sunday
Rain likely before 7am, then showers likely, mainly between 7am and 9am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A chance of showers after 3pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
1:29 pm EDT Sep 21, 2023
Forecast Valid:
10pm EDT Sep 21, 2023-6pm EDT Sep 28, 2023
 
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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