National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

70°F

21°C

Humidity NA
Wind Speed Calm
Barometer 29.69 in (1006.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 16 May 6:56 pm EDT
Extended Forecast for

Gaithersburg MD

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 66 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Saturday
Scattered showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 60. West wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 55. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
Showers. High near 65. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
Last Update:
7:30 pm EDT May 16, 2025
Forecast Valid:
7pm EDT May 16, 2025-6pm EDT May 23, 2025
 
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