Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

22°C

72°F

Humidity 52%
Wind Speed NW 17 G 26 km/h
Barometer 1011.7 mb (29.85 in)
Dewpoint 12°C (53°F)
Visibility 16 km
Last update 15 Jun 4:56 pm EDT
Extended Forecast for

Gaithersburg MD

  • Tonight

    Tonight: Mostly clear, with a low around 13. Northwest wind 13 to 18 km/h becoming light north  after midnight. Winds could gust as high as 32 km/h.

    Low: 13 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 26. Calm wind.

    High: 26 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 16. Calm wind.

    Low: 16 °C

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Southwest wind 5 to 11 km/h.

    High: 29 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °C

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 33. Chance of precipitation is 40%.

    High: 33 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 27. Chance of precipitation is 50%.

    High: 27 °C

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °C

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 13. Northwest wind 13 to 18 km/h becoming light north after midnight. Winds could gust as high as 32 km/h.
Tuesday
Sunny, with a high near 26. Calm wind.
Tuesday Night
Increasing clouds, with a low around 16. Calm wind.
Wednesday
Mostly sunny, with a high near 29. Southwest wind 5 to 11 km/h.
Wednesday Night
Partly cloudy, with a low around 19. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Juneteenth
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 27. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
A chance of showers. Partly cloudy, with a low around 17. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 m)
4:53 pm EDT Jun 15, 2026
5pm EDT Jun 15, 2026-6pm EDT Jun 22, 2026
 
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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