Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

61°F

16°C

Humidity NA
Wind Speed Calm
Barometer 30.01 in (1017.2 mb)
Dewpoint N/A
Visibility 1.50 mi
Last update 19 Sep 4:56 am EDT
Extended Forecast for

Gaithersburg MD

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the morning.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Calm wind becoming northeast around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. East wind around 6 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 62. East wind around 6 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 75. East wind around 6 mph.

    High: 75 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm.  Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the morning.
Tonight
Partly cloudy, with a low around 61. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 77. East wind around 6 mph.
Saturday Night
Increasing clouds, with a low around 62. East wind around 6 mph.
Sunday
Mostly cloudy, with a high near 75. East wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
4:29 am EDT Sep 19, 2025
5am EDT Sep 19, 2025-6pm EDT Sep 25, 2025
 
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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