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.

Fair

69°F

21°C

Humidity 78%
Wind Speed SE 5 mph
Barometer 30.02 in (1017.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 May 8:56 pm EDT
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 59. South wind 3 to 6 mph.

    Low: 59 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 81. South wind 5 to 8 mph.

    High: 81 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. South wind around 7 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South wind 6 to 8 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 59. South wind 3 to 6 mph.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 81. South wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 61. South wind around 7 mph.
Wednesday
Sunny, with a high near 85. South wind 6 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Memorial Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
7:30 pm EDT May 20, 2024
Forecast Valid:
9pm EDT May 20, 2024-6pm EDT May 27, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation