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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

61°F

16°C

Humidity 81%
Wind Speed Calm
Barometer 30.18 in (1023.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Oct 3:56 pm EDT
Extended Forecast for

Brookeville MD

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 66. Light east wind. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 57. Southeast wind around 6 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 46. Northwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 28 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 66. Light east wind. Chance of precipitation is 40%.
Tonight
A chance of showers, mainly before 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 57. Southeast wind around 6 mph. Chance of precipitation is 50%.
Friday
A chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 46. Northwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brookeville MD
 39.18°N 77.06°W (Elev. 446 ft)
Last Update:
2:24 pm EDT Oct 15, 2026
Forecast Valid:
4pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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