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

Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

48°F

9°C

Humidity 74%
Wind Speed Vrbl 3 mph
Barometer 30.34 in (1028.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 9 Oct 3:56 am EDT
Extended Forecast for

Clarksburg MD

  • Today

    Today: Sunny, with a high near 63. North wind 8 to 10 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Northeast wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 68. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 63. North wind 8 to 10 mph.
Tonight
Clear, with a low around 39. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 68. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Columbus Day
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarksburg MD
 39.22°N 77.25°W (Elev. 505 ft)
Last Update:
1:29 am EDT Oct 9, 2025
Forecast Valid:
4am EDT Oct 9, 2025-6pm EDT Oct 15, 2025
 
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