Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

74°F

23°C

Humidity	100%
Wind Speed	SE 7 mph
Barometer	30.08 in (1019.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	25 May 5:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

North Potomac MD

Tonight
Low: 63 °F
Chance
T-storms and
Patchy Fog
then Patchy
Fog
Tuesday
High: 76 °F
Chance
Showers and
Patchy Fog
Tuesday Night
Low: 64 °F
Chance
Showers
Wednesday
High: 79 °F
Showers
Likely
Wednesday Night
Low: 63 °F
Chance
Showers
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 55 °F
Mostly Clear
Friday
High: 75 °F
Sunny
Friday Night
Low: 55 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 11pm, then a slight chance of showers after 4am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 40%.

Tuesday

A chance of showers, mainly before 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 76. Light and variable wind. Chance of precipitation is 30%.

Tuesday Night

A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 50%.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Northwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West wind 5 to 7 mph. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 78.

Thursday Night

Mostly clear, with a low around 55.

Friday

Sunny, with a high near 75.

Friday Night

Mostly clear, with a low around 55.

Saturday

Mostly sunny, with a high near 72.