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.

Overcast

52°F

11°C

Humidity 38%
Wind Speed Vrbl 3 mph
Barometer 30.24 in (1025.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 19 Mar 12:56 pm EDT
Extended Forecast for

Rockville MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 54. Southwest wind around 6 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Increasing clouds, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 50. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 67. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 54. Southwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 39. Calm wind.
Friday
A slight chance of showers after 2pm. Increasing clouds, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 50. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 67. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
Last Update:
12:11 pm EDT Mar 19, 2026
Forecast Valid:
1pm EDT Mar 19, 2026-6pm EDT Mar 25, 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