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

52°F

11°C

Humidity 20%
Wind Speed NW 18 G 24 mph
Barometer 30.32 in (1028.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 7 Apr 2:56 pm EDT
Extended Forecast for

Derwood MD

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

  • Tonight

    Tonight: Clear, with a low around 29. Northwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. East wind around 6 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 1am. Otherwise, mostly clear, with a low around 34. Southeast wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 61 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Southeast wind around 6 mph becoming calm after midnight.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 29. Northwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 53. East wind around 6 mph.
Wednesday Night
Areas of frost after 1am. Otherwise, mostly clear, with a low around 34. Southeast wind 3 to 5 mph.
Thursday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. Southeast wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 348 ft)
Last Update:
2:52 pm EDT Apr 7, 2026
Forecast Valid:
3pm EDT Apr 7, 2026-6pm EDT Apr 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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