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

61°F

16°C

Humidity 70%
Wind Speed S 5 mph
Barometer 29.93 in (1014.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Mar 4:56 am EDT
Extended Forecast for

Brookeville MD

  • Today

    Today: A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 78. South wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers after 4am. Some of the storms could be severe. Low around 43. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Rain showers, possibly mixing with snow after 11am, then gradually ending. High near 45. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow and
    Breezy then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 53. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 53 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 78. South wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, then showers after 4am. Some of the storms could be severe. Low around 43. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers, possibly mixing with snow after 11am, then gradually ending. High near 45. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 31. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 53. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Rain, mainly after 8pm. Low around 49. Chance of precipitation is 80%.
Monday
Rain. High near 60. Chance of precipitation is 80%.
Monday Night
A chance of rain. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brookeville MD
 39.16°N 77.06°W (Elev. 486 ft)
Last Update:
5:20 am EDT Mar 11, 2026
Forecast Valid:
5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation