Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

54°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in (1017.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Oct 11:56 pm EDT
Extended Forecast for

3 Miles WSW North Potomac MD

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Southeast wind 3 to 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 76 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then showers likely.  Low around 50. South wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 63. West wind 13 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. West wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 76. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Showers and thunderstorms before 2am, then showers likely. Low around 50. South wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 63. West wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW North Potomac MD
 39.1°N 77.31°W (Elev. 348 ft)
10:29 pm EDT Oct 18, 2025
12am EDT Oct 19, 2025-6pm EDT Oct 25, 2025
 
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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