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

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts 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

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

61°F

16°C

Humidity 83%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Oct 8:47 pm EDT
Extended Forecast for

Brownsville MD

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 58. Chance of precipitation is 100%.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 100%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 76. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 73. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 52. Calm wind.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Showers, mainly after 2am. Low around 58. Chance of precipitation is 100%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 100%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Columbus Day
Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brownsville MD
 39.38°N 77.66°W (Elev. 561 ft)
Last Update:
9:00 pm EDT Oct 7, 2026
Forecast Valid:
9pm EDT Oct 7, 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