Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

36°F

2°C

Humidity 37%
Wind Speed SE 5 mph
Barometer 29.99 in (1017.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Jan 5:56 am EST
Extended Forecast for

Derwood MD

  • Today

    Today: Rain showers, snow showers, and sleet likely before noon, then a slight chance of rain showers between noon and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 45. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. Total daytime snow and sleet accumulation of less than a half inch possible.

    High: 45 °F

    Wintry Mix
    Likely then
    Isolated
    Showers

  • Tonight

    Tonight: A chance of rain between 2am and 4am, then a chance of snow after 4am.  Increasing clouds, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of light snow, mainly before 1pm.  Cloudy, with a high near 34. Northwest wind 5 to 7 mph.  Chance of precipitation is 40%.

    High: 34 °F

    Chance Light
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Rain showers, snow showers, and sleet likely before noon, then a slight chance of rain showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
A chance of rain between 2am and 4am, then a chance of snow after 4am. Increasing clouds, with a low around 31. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of light snow, mainly before 1pm. Cloudy, with a high near 34. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 38. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 348 ft)
5:32 am EST Jan 17, 2026
6am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
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Additional Resources

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