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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

42°F

6°C

Humidity 35%
Wind Speed Calm
Barometer 30.43 in (1032.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 7 Apr 8:56 pm EDT
Extended Forecast for

Glenelg MD

Freeze Watch April 9, 12:00am until April 9, 09:00am
Freeze Warning April 8, 12:00am until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning

  • Tonight

    Tonight: Clear, with a low around 28. Northeast wind around 6 mph.

    Low: 28 °F

    Clear

  • Wednesday

    Wednesday: Patchy frost between 9am and 10am. Otherwise, sunny, with a high near 51. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 51 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. Southeast wind 3 to 6 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 58. South wind 3 to 7 mph.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 28. Northeast wind around 6 mph.
Wednesday
Patchy frost between 9am and 10am. Otherwise, sunny, with a high near 51. Northeast wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. Southeast wind 3 to 6 mph.
Thursday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 58. South wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 40. South wind 3 to 6 mph.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 85.
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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:
7:53 pm EDT Apr 7, 2026
Forecast Valid:
9pm EDT Apr 7, 2026-6pm EDT Apr 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