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

35°F

2°C

Humidity 82%
Wind Speed Calm
Barometer 30.26 in (1026.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 28 Mar 2:56 am EDT
Extended Forecast for

2 Miles SW Lisbon MD

  • Overnight

    Overnight: Scattered sprinkles and flurries before 5am, then scattered sprinkles. Mostly cloudy, with a low around 31. North wind around 6 mph.

    Low: 31 °F

    Scattered
    Sprinkles/Flurries

  • Saturday

    Saturday: Scattered flurries before 7am. Sunny, with a high near 48. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 48 °F

    Scattered
    Flurries

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Northwest wind around 6 mph becoming calm after midnight.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 20%.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered sprinkles and flurries before 5am, then scattered sprinkles. Mostly cloudy, with a low around 31. North wind around 6 mph.
Saturday
Scattered flurries before 7am. Sunny, with a high near 48. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 27. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 57. South wind 6 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 43. Southwest wind around 11 mph, with gusts as high as 23 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Rain likely after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Thursday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lisbon MD
 39.32°N 77.09°W (Elev. 623 ft)
Last Update:
3:34 am EDT Mar 28, 2026
Forecast Valid:
3am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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