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.

Fog/Mist

61°F

16°C

Humidity	NA
Wind Speed	Calm
Barometer	30.15 in (1022.3 mb)
Dewpoint	N/A
Visibility	2.50 mi
Last update	24 May 11:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles WSW North Potomac MD

Overnight
Low: 60 °F
Showers
Likely and
Patchy Fog
Memorial Day
High: 74 °F
Showers and
Patchy Fog
Monday Night
Low: 62 °F
Chance
Showers and
Patchy Fog
Tuesday
High: 77 °F
Showers
Likely and
Patchy Fog
Tuesday Night
Low: 63 °F
Mostly Cloudy
then Slight
Chance
Showers
Wednesday
High: 81 °F
Chance
Showers
Wednesday Night
Low: 64 °F
Mostly Cloudy
Thursday
High: 80 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Overnight

Showers likely, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 60. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Memorial Day

Showers, with thunderstorms also possible after 11am. Patchy fog before noon. High near 74. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers before 1am, then a chance of showers after 4am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%.

Tuesday

Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Wednesday Night

Mostly cloudy, with a low around 64.

Thursday

Mostly sunny, with a high near 80.

Thursday Night

Mostly clear, with a low around 56.

Friday

Sunny, with a high near 77.

Friday Night

Partly cloudy, with a low around 56.