National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

36°F

2°C

Humidity 79%
Wind Speed Calm
Barometer 29.81 in (1011.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 27 Dec 1:56 am EST
Extended Forecast for

Washington Grove MD

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Northwest wind around 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 42. North wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Northeast wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 44. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 41. South wind 9 to 13 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. Breezy.

    High: 34 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Northwest wind around 6 mph.
Saturday
Partly sunny, with a high near 42. North wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 29. Northeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 44. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 41. South wind 9 to 13 mph. Chance of precipitation is 40%.
Monday
A chance of rain. Partly sunny, with a high near 60. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 27. Breezy.
Tuesday
Mostly sunny, with a high near 34. Breezy.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
Mostly cloudy, with a high near 38.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Grove MD
 39.13°N 77.18°W (Elev. 459 ft)
Last Update:
12:53 am EST Dec 27, 2025
Forecast Valid:
2am EST Dec 27, 2025-6pm EST Jan 2, 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