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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

57°F

14°C

Humidity NA
Wind Speed Calm
Barometer 30.02 in (1017.8 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 24 Jun 2:56 am EDT
Extended Forecast for

Damascus MD

  • Overnight

    Overnight: Mostly clear, with a low around 59. North wind around 8 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northwest wind 7 to 10 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 84. South wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. South wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 59. North wind around 8 mph.
Wednesday
Sunny, with a high near 79. Northwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. South wind 3 to 6 mph.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 84. South wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. South wind 3 to 7 mph. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
2:22 am EDT Jun 24, 2026
Forecast Valid:
3am EDT Jun 24, 2026-6pm EDT Jun 30, 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