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

48°F

9°C

Humidity 36%
Wind Speed W 9 mph
Barometer 29.92 in (1014.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Mar 8:56 pm EDT
Extended Forecast for

Suburb Maryland Fac MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. West wind around 6 mph becoming south after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64. South wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 55. Northwest wind around 8 mph becoming southwest in the afternoon.

    High: 55 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 43. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. West wind around 6 mph becoming south after midnight.
Saturday
Partly sunny, with a high near 64. South wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly clear, with a low around 32. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday
Increasing clouds, with a high near 55. Northwest wind around 8 mph becoming southwest in the afternoon.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 43. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Suburb Maryland Fac MD
 39.07°N 77.08°W (Elev. 299 ft)
Last Update:
7:30 pm EDT Mar 21, 2025
Forecast Valid:
9pm EDT Mar 21, 2025-6pm EDT Mar 28, 2025
 
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