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.

Partly Cloudy

36°F

2°C

Humidity 59%
Wind Speed S 9 mph
Barometer 30.40 in (1031.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 30 Nov 1:56 am EST
Extended Forecast for

Brookeville MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. South wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and snow likely before 10am, then a chance of rain between 10am and 3pm. Mostly cloudy, with a high near 44. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Northwest wind 5 to 10 mph becoming light north in the afternoon. Winds could gust as high as 18 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Snow likely after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Wednesday Night

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

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. South wind around 6 mph.
Sunday
Rain and snow likely before 10am, then a chance of rain between 10am and 3pm. Mostly cloudy, with a high near 44. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 28. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 43. Northwest wind 5 to 10 mph becoming light north in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Snow likely after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly cloudy, with a high near 32.
Friday Night
Snow likely. Cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brookeville MD
 39.18°N 77.06°W (Elev. 446 ft)
Last Update:
12:53 am EST Nov 30, 2025
Forecast Valid:
2am EST Nov 30, 2025-6pm EST Dec 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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