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.

A Few Clouds

39°F

4°C

Humidity 73%
Wind Speed W 6 mph
Barometer 30.02 in (1018.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Jan 1:56 pm EST
Extended Forecast for

Rockville MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. West wind around 7 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow before 2am, then a chance of rain between 2am and 4am, then a chance of rain and snow after 4am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 50%.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, possibly mixed with rain, becoming all snow after 9am. Cloudy, with a high near 34. Northwest wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Northwest wind 3 to 6 mph.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36. West wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. West wind around 7 mph.
Tonight
A slight chance of snow before 2am, then a chance of rain between 2am and 4am, then a chance of rain and snow after 4am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 50%.
Sunday
Snow likely, possibly mixed with rain, becoming all snow after 9am. Cloudy, with a high near 34. Northwest wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind 3 to 6 mph.
M.L.King Day
Sunny, with a high near 36. West wind 5 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 21.
Friday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.14°W (Elev. 397 ft)
Last Update:
1:36 pm EST Jan 17, 2026
Forecast Valid:
2pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
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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