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

24°F

-4°C

Humidity 91%
Wind Speed Calm
Barometer 30.16 in (1023.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 13 Jan 3:56 am EST
Extended Forecast for

3 Miles WSW Lisbon MD

  • Today

    Today: Sunny, with a high near 48. Calm wind becoming south 5 to 9 mph in the morning.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain after 4am. Mostly cloudy, with a low around 38. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 7am. Cloudy, with a high near 48. Southwest wind around 6 mph. Chance of precipitation is 50%.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 23. Blustery, with a light and variable wind becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 23 °F

    Rain Likely
    then
    Rain/Snow
    Likely and
    Blustery

  • Thursday

    Thursday: A chance of snow before 7am. Partly sunny, with a high near 27. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 27 °F

    Blustery.
    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 48. Calm wind becoming south 5 to 9 mph in the morning.
Tonight
A slight chance of rain after 4am. Mostly cloudy, with a low around 38. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly after 7am. Cloudy, with a high near 48. Southwest wind around 6 mph. Chance of precipitation is 50%.
Wednesday Night
Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 23. Blustery, with a light and variable wind becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of snow before 7am. Partly sunny, with a high near 27. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lisbon MD
 39.32°N 77.12°W (Elev. 696 ft)
Last Update:
3:53 am EST Jan 13, 2026
Forecast Valid:
4am EST Jan 13, 2026-6pm EST Jan 19, 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