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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

71°F

22°C

Humidity 51%
Wind Speed S 12 mph
Barometer 29.97 in (1016.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 7 Oct 1:56 pm EDT
Extended Forecast for

Glenelg MD

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind 7 to 9 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. West wind 8 to 16 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. Northwest wind 5 to 7 mph.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. West wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 58. Chance of precipitation is 90%.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers

  • Sunday Night

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

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 55. Southwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 74. West wind 8 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 52. Northwest wind 5 to 7 mph.
Friday
Sunny, with a high near 71. West wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 53. Light and variable wind.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Showers, mainly after 2am. Low around 58. Chance of precipitation is 90%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 100%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Cloudy, with a low around 61. Chance of precipitation is 60%.
Columbus Day
Mostly cloudy, with a high near 70.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenelg MD
 39.26°N 76.99°W (Elev. 597 ft)
Last Update:
2:23 pm EDT Oct 7, 2026
Forecast Valid:
3pm 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