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.

Fair

53°F

12°C

Humidity 31%
Wind Speed N 9 mph
Barometer 30.23 in (1025.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 24 Dec 10:56 am EST
Extended Forecast for

Rockville MD

  • Today

    Today: Mostly sunny, with a high near 50. Northwest wind 7 to 15 mph, with gusts as high as 29 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers after 4am. Mostly cloudy, with a low around 35. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Christmas Day

    Christmas Day: A chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 52. South wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 30%.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. North wind around 7 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of freezing rain before 10am, then a chance of freezing rain and sleet between 10am and 1pm, then rain and sleet likely after 1pm. Cloudy, with a high near 35. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New sleet accumulation of less than a half inch possible.

    High: 35 °F

    Chance Wintry
    Mix then
    Wintry Mix
    Likely

  • Friday Night

    Friday Night: Rain and freezing rain, possibly mixed with sleet before 10pm, then rain or freezing rain between 10pm and 1am, then a chance of rain after 1am. Low around 30. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix

  • Saturday

    Saturday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 50. Northwest wind 7 to 15 mph, with gusts as high as 29 mph.
Tonight
A slight chance of showers after 4am. Mostly cloudy, with a low around 35. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.
Christmas Day
A chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 52. South wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 28. North wind around 7 mph.
Friday
A chance of freezing rain before 10am, then a chance of freezing rain and sleet between 10am and 1pm, then rain and sleet likely after 1pm. Cloudy, with a high near 35. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New sleet accumulation of less than a half inch possible.
Friday Night
Rain and freezing rain, possibly mixed with sleet before 10pm, then rain or freezing rain between 10pm and 1am, then a chance of rain after 1am. Low around 30. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 60%.
Sunday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
Last Update:
9:53 am EST Dec 24, 2025
Forecast Valid:
11am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation