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Significant Coastal Impacts to the Eastern Seaboard; Hurricane Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Hurricane Nolo is expected to remain south of the Big Island of Hawaii. However, strong winds, damaging waves, and heavy rainfall may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

59°F

15°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 29.91 in (1014.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 Sep 7:56 am EDT
Extended Forecast for

North Potomac MDSimilar City Names

  • Today

    Today: A chance of rain, mainly after 1pm. Increasing clouds, with a high near 67. North wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.

    High: 67 °F

    Slight Chance
    Rain then
    Chance Rain

  • Tonight

    Tonight: A chance of rain before 10pm, then a chance of rain after 3am. Cloudy, with a low around 57. Northwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly between 11am and 5pm. Cloudy, with a high near 63. Northwest wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 8pm. Cloudy, with a low around 59. Northwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance Rain
    then Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 69. Northwest wind around 9 mph.

    High: 69 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly after 1pm. Increasing clouds, with a high near 67. North wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Tonight
A chance of rain before 10pm, then a chance of rain after 3am. Cloudy, with a low around 57. Northwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday
Rain likely, mainly between 11am and 5pm. Cloudy, with a high near 63. Northwest wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain before 8pm. Cloudy, with a low around 59. Northwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 69. Northwest wind around 9 mph.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
North Potomac MDSimilar City Names
 39.09°N 77.25°W (Elev. 348 ft)
Last Update:
7:53 am EDT Sep 26, 2026
Forecast Valid:
8am EDT Sep 26, 2026-6pm EDT Oct 2, 2026
 
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Additional Resources

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Chance of Precipitation