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

48°F

9°C

Humidity 27%
Wind Speed SW 5 mph
Barometer 30.35 in (1029.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 24 Mar 6:56 pm EDT
Extended Forecast for

Clarksville MD

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Light south wind.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. South wind 3 to 8 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 8pm. Partly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. Light south wind.
Wednesday
Partly sunny, with a high near 57. South wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 46. South wind around 7 mph.
Thursday
Partly sunny, with a high near 72. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Friday Night
A chance of rain before 8pm. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarksville MD
 39.21°N 76.94°W (Elev. 449 ft)
Last Update:
4:53 pm EDT Mar 24, 2026
Forecast Valid:
7pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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