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.

Mostly Cloudy

36°F

2°C

Humidity 44%
Wind Speed W 10 G 24 mph
Barometer 30.00 in (1017.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Mar 12:56 pm EDT
Extended Forecast for

Rockville MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 40. West wind around 16 mph, with gusts as high as 25 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow before 10pm. Partly cloudy, with a low around 25. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. South wind 3 to 7 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 40. West wind around 16 mph, with gusts as high as 25 mph.
Tonight
A slight chance of snow before 10pm. Partly cloudy, with a low around 25. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 52. South wind 3 to 7 mph.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
Last Update:
11:26 am EDT Mar 17, 2026
Forecast Valid:
1pm EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
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