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Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

39°F

4°C

Humidity NA
Wind Speed NE 5 mph
Barometer 29.95 in (1015.8 mb)
Dewpoint N/A
Visibility 5.00 mi
Wind Chill35°F (2°C)
Last update 19 Feb 6:56 pm EST
Extended Forecast for

Derwood MD

  • Tonight

    Tonight: Rain with areas of drizzle before 2am, then rain, mainly after 2am. Patchy dense fog. Low around 40. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Dense
    Fog

  • Friday

    Friday: Rain, mainly before 9am. Patchy fog before 1pm. High near 54. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. West wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 52. Northwest wind 5 to 7 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 34. Light northeast wind. Chance of precipitation is 40%.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain and snow. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain with areas of drizzle before 2am, then rain, mainly after 2am. Patchy dense fog. Low around 40. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 9am. Patchy fog before 1pm. High near 54. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 37. West wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 52. Northwest wind 5 to 7 mph.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 34. Light northeast wind. Chance of precipitation is 40%.
Sunday
Rain and snow. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 31. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.14°N 77.12°W (Elev. 400 ft)
Last Update:
6:53 pm EST Feb 19, 2026
Forecast Valid:
7pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation