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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

76°F

24°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.00 in (1016.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 13 Aug 12:56 am EDT
Extended Forecast for

2 Miles WNW North Potomac MD

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Northwest wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Northwest wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW North Potomac MD
 39.11°N 77.27°W (Elev. 400 ft)
Last Update:
12:16 am EDT Aug 13, 2025
Forecast Valid:
1am EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
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