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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

84°F

29°C

Humidity 57%
Wind Speed NW 3 mph
Barometer 29.82 in (1010.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 27 Jul 6:56 pm EDT
Extended Forecast for

2 Miles SW North Potomac MD

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then scattered showers and thunderstorms after 5am. Partly cloudy, with a low around 69. South wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly cloudy, then gradually becoming clear, with a low around 67. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Isolated
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 82. Northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. Northwest wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 11pm, then scattered showers and thunderstorms after 5am. Partly cloudy, with a low around 69. South wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly cloudy, then gradually becoming clear, with a low around 67. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 82. Northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. Northwest wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly 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 SW North Potomac MD
 39.07°N 77.28°W (Elev. 299 ft)
Last Update:
4:53 pm EDT Jul 27, 2026
Forecast Valid:
7pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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