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.

Fair

24°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 30.14 in (1022.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 13 Mar 3:56 am EDT
Extended Forecast for

Washington Grove MD

  • Today

    Today: Increasing clouds, with a high near 53. Breezy, with a light south wind increasing to 17 to 22 mph in the morning. Winds could gust as high as 39 mph.

    High: 53 °F

    Mostly Sunny
    then
    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 38. West wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54. West wind around 11 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. East wind 3 to 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Monday

    Monday: Rain. High near 69. Breezy. Chance of precipitation is 100%.

    High: 69 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain, mainly before 2am. Low around 31. Breezy. Chance of precipitation is 80%.

    Low: 31 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 53. Breezy, with a light south wind increasing to 17 to 22 mph in the morning. Winds could gust as high as 39 mph.
Tonight
Mostly clear, with a low around 38. West wind 13 to 16 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 54. West wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 40. East wind 3 to 6 mph.
Sunday
Mostly cloudy, with a high near 59. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Rain. Low around 52. Chance of precipitation is 90%.
Monday
Rain. High near 69. Breezy. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 2am. Low around 31. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Grove MD
 39.13°N 77.18°W (Elev. 459 ft)
Last Update:
1:53 am EDT Mar 13, 2026
Forecast Valid:
4am EDT Mar 13, 2026-6pm EDT Mar 19, 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