Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

32°F

0°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.23 in (1025.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Dec 10:56 pm EST
Extended Forecast for

Lisbon MD

Winter Weather Advisory December 2, 05:00am until December 2, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A chance of snow and sleet between 4am and 5am, then sleet likely.  Mostly cloudy, with a low around 29. Southeast wind around 6 mph.  Chance of precipitation is 60%. Total nighttime snow and sleet accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then
    Snow/Sleet
    Likely

  • Tuesday

    Tuesday: Rain, snow, freezing rain, and sleet before 2pm, then a chance of rain between 2pm and 4pm.  High near 38. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow and sleet accumulation of less than a half inch possible.

    High: 38 °F

    Wintry Mix
    then Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 37. Northwest wind 5 to 8 mph becoming calm  in the afternoon.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow and sleet between 4am and 5am, then sleet likely. Mostly cloudy, with a low around 29. Southeast wind around 6 mph. Chance of precipitation is 60%. Total nighttime snow and sleet accumulation of less than a half inch possible.
Tuesday
Rain, snow, freezing rain, and sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 38. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Mostly clear, with a low around 25. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 37. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 31.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lisbon MD
 39.36°N 77.09°W (Elev. 600 ft)
9:53 pm EST Dec 1, 2025
10pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database