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

60°F

16°C

Humidity 53%
Wind Speed SE 12 mph
Barometer 30.22 in (1024.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Apr 10:56 am EDT
Extended Forecast for

Gaithersburg MD

  • Today

    Today: Mostly cloudy, with a high near 73. Southeast wind around 11 mph, with gusts as high as 21 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Scattered showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 61. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 61 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. Northwest wind 6 to 9 mph.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. North wind 3 to 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Light northeast wind.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 73. Southeast wind around 11 mph, with gusts as high as 21 mph.
Tonight
Scattered showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 61. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 76. Northwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 53. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 76. Light northeast wind.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A chance of showers after 2am. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
Last Update:
10:59 am EDT Apr 21, 2025
Forecast Valid:
11am EDT Apr 21, 2025-6pm EDT Apr 27, 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