Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

75°F

24°C

Humidity 31%
Wind Speed S 7 mph
Barometer 29.84 in (1011.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 5 May 8:56 pm EDT
Extended Forecast for

3 Miles W North Potomac MDSimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  High near 76. South wind around 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers likely after 11pm.  Cloudy, with a low around 53. North wind around 8 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 63. North wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 8pm.  Partly cloudy, with a low around 44. Northwest wind around 6 mph.  Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. South wind 11 to 14 mph, with gusts as high as 28 mph.
Wednesday
Showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 76. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers likely after 11pm. Cloudy, with a low around 53. North wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 44. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
A chance of showers. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W North Potomac MDSimilar City Names
 39.1°N 77.31°W (Elev. 348 ft)
7:53 pm EDT May 5, 2026
9pm EDT May 5, 2026-6pm EDT May 12, 2026
 
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