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.

Fog/Mist

41°F

5°C

Humidity NA
Wind Speed SE 10 mph
Barometer 30.22 in (1025.1 mb)
Dewpoint N/A
Visibility 2.50 mi
Wind Chill35°F (2°C)
Last update 9 Jan 7:56 am EST
Extended Forecast for

3 Miles NNW Clarksburg MD

  • Today

    Today: Rain likely, mainly after 4pm. Increasing clouds, with a high near 55. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Partly Sunny
    then Rain
    Likely

  • Tonight

    Tonight: A chance of rain before 8pm, then a slight chance of rain after 5am. Patchy fog before 8pm. Otherwise, cloudy, with a low around 44. South wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog then
    Cloudy

  • Saturday

    Saturday: Rain, mainly after 7am. High near 49. East wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 39. Light and variable wind becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Sunday

    Sunday: A slight chance of rain before 1pm. Mostly sunny, with a high near 44. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, mainly after 4pm. Increasing clouds, with a high near 55. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain before 8pm, then a slight chance of rain after 5am. Patchy fog before 8pm. Otherwise, cloudy, with a low around 44. South wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Saturday
Rain, mainly after 7am. High near 49. East wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 39. Light and variable wind becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain before 1pm. Mostly sunny, with a high near 44. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Cloudy, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Clarksburg MD
 39.27°N 77.3°W (Elev. 495 ft)
Last Update:
6:53 am EST Jan 9, 2026
Forecast Valid:
8am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation