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

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed SW 6 mph
Barometer 29.78 in (1009.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Oct 1:56 pm EDT
Extended Forecast for

Clarksburg MD

Severe T-storm Watch October 16, 03:38pm until October 16, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch October 16, 03:38pm until October 16, 08:00pm

    NOW until 8:00pm Fri

    Severe T-storm Watch

  • This Afternoon

    High: 80 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then scattered showers. Some of the storms could be severe. Increasing clouds, with a low around 46. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Severe
    Thunderstorms
    then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 53. Breezy, with a north wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 53 °F

    Breezy.
    Scattered
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33. North wind 6 to 9 mph.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 56. Northeast wind around 8 mph.

    High: 56 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly after 5pm. Some of the storms could be severe. High near 80. Southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 3am, then scattered showers. Some of the storms could be severe. Increasing clouds, with a low around 46. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Scattered showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 53. Breezy, with a north wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Clear, with a low around 33. North wind 6 to 9 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 56. Northeast wind around 8 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
Monday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 62. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 61. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 47. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarksburg MD
 39.23°N 77.31°W (Elev. 449 ft)
Last Update:
2:23 pm EDT Oct 16, 2026
Forecast Valid:
3pm EDT Oct 16, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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