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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

61°F

16°C

Humidity 81%
Wind Speed Vrbl 6 mph
Barometer 30.20 in (1023.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Oct 1:56 pm EDT
Extended Forecast for

North Potomac MD

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 65. East wind around 5 mph. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 10pm and 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 57. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 81. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 49. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 65. East wind around 5 mph. Chance of precipitation is 50%.
Tonight
A slight chance of showers between 10pm and 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 57. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 81. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Potomac MD
 39.09°N 77.25°W (Elev. 348 ft)
Last Update:
10:53 am EDT Oct 15, 2026
Forecast Valid:
2pm EDT Oct 15, 2026-6pm EDT Oct 21, 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