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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

49°F

9°C

Humidity 56%
Wind Speed W 9 G 17 mph
Barometer 29.91 in (1014.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 25 Dec 12:56 pm EST
Extended Forecast for

Gaithersburg MD

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 53. Northwest wind 7 to 9 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. North wind 5 to 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of freezing rain before 1pm, then a chance of rain between 1pm and 3pm, then a chance of sleet after 3pm. Cloudy, with a high near 34. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

  • Friday Night

    Friday Night: Rain, mainly before 1am, then a chance of drizzle after 1am. Low around 33. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 45. North wind 6 to 8 mph.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Cloudy, with a high near 47. Chance of precipitation is 40%.

    High: 47 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

Detailed Forecast

Christmas Day
Partly sunny, with a high near 53. Northwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 28. North wind 5 to 7 mph.
Friday
A slight chance of freezing rain before 1pm, then a chance of rain between 1pm and 3pm, then a chance of sleet after 3pm. Cloudy, with a high near 34. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Friday Night
Rain, mainly before 1am, then a chance of drizzle after 1am. Low around 33. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 45. North wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
A chance of rain after 1pm. Cloudy, with a high near 47. Chance of precipitation is 40%.
Sunday Night
Rain likely, mainly after 1am. Cloudy, with a low around 41. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
Last Update:
12:53 pm EST Dec 25, 2025
Forecast Valid:
1pm EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

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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