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 >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

62°F

17°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 29.85 in (1012.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Oct 7:56 pm EDT
Extended Forecast for

Rossmoor MD

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 46. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Scattered
    Showers

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 53 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Clear, with a low around 34. North wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Northeast wind around 8 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. North wind 3 to 6 mph.

    Low: 38 °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. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 63. Chance of precipitation is 20%.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 46. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 16 to 18 mph, with gusts as high as 31 mph.
Saturday Night
Clear, with a low around 34. North wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 56. Northeast wind around 8 mph.
Sunday Night
Mostly clear, with a low around 38. North wind 3 to 6 mph.
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. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 47. 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. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.12°N 77.1°W (Elev. 348 ft)
Last Update:
7:53 pm EDT Oct 16, 2026
Forecast Valid:
8pm EDT Oct 16, 2026-6pm EDT Oct 23, 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