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

66°F

19°C

Humidity	NA
Wind Speed	Calm
Barometer	30.12 in (1020.9 mb)
Dewpoint	N/A
Visibility	1.25 mi
Last update	25 May 10:56 pm EDT

More Information:

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

Extended Forecast for

Gaithersburg MD

Tonight
Low: 63 °F
Patchy Fog
Tuesday
High: 77 °F
Chance
Showers and
Patchy Fog
Tuesday Night
Low: 65 °F
Chance
Showers and
Patchy Fog
Wednesday
High: 79 °F
Showers
Likely
Wednesday Night
Low: 63 °F
Chance
Showers
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 75 °F
Sunny
Friday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog. Otherwise, mostly cloudy, with a low around 63. Calm wind.

Tuesday

A chance of showers, mainly before 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

Tuesday Night

A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 65. Calm 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 around 7 mph. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 78.

Thursday Night

Mostly clear, with a low around 56.

Friday

Sunny, with a high near 75.

Friday Night

Mostly clear, with a low around 56.

Saturday

Mostly sunny, with a high near 72.