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

Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

59°F

15°C

Humidity NA
Wind Speed Calm
Barometer 30.06 in (1019.0 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 17 May 4:56 am EDT
Extended Forecast for

Damascus MD

  • Today

    Today: Mostly sunny, with a high near 86. West wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South wind around 8 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind around 7 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.

    High: 91 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 8am. Partly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 86. West wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 65. Calm wind.
Monday
Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70. South wind around 8 mph.
Tuesday
Sunny, with a high near 93. Southwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 59. Chance of precipitation is 80%.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Friday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
4:53 am EDT May 17, 2026
Forecast Valid:
5am EDT May 17, 2026-6pm EDT May 23, 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