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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

54°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 29.88 in (1012.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 8 Oct 2:56 am EDT
Extended Forecast for

4 Miles N Brookeville MD

  • Overnight

    Overnight: Clear, with a low around 55. Southwest wind around 5 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Clear, with a low around 55. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 74. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 53. Calm wind.
Saturday
Partly sunny, with a high near 70.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Sunday
Showers, mainly after 8am. High near 66. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 2am. Low around 61. Chance of precipitation is 80%.
Columbus Day
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Brookeville MD
 39.23°N 77.08°W (Elev. 509 ft)
Last Update:
2:22 am EDT Oct 8, 2026
Forecast Valid:
3am EDT Oct 8, 2026-6pm EDT Oct 14, 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