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.

Overcast

36°F

2°C

Humidity 59%
Wind Speed NW 14 G 30 mph
Barometer 29.89 in (1013.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 23 Feb 5:56 pm EST
Extended Forecast for

2 Miles NNE Lisbon MD

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Northwest wind 13 to 17 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 35. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Increasing clouds, with a low around 27. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 50. Southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.

    High: 43 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Northwest wind 13 to 17 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of snow after 1am. Increasing clouds, with a low around 27. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 50. Southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 32. West wind around 6 mph becoming calm in the evening.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lisbon MD
 39.36°N 77.06°W (Elev. 499 ft)
Last Update:
6:19 pm EST Feb 23, 2026
Forecast Valid:
6pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation