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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog

64°F

18°C

Humidity	NA
Wind Speed	Calm
Barometer	30.09 in (1019.8 mb)
Dewpoint	N/A
Visibility	0.50 mi
Last update	26 May 2:56 am EDT

More Information:

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

Extended Forecast for

Ashton-Sandy Spring MD

Overnight
Low: 62 °F
Patchy Fog
Tuesday
High: 76 °F
Chance
Showers and
Patchy Fog
Tuesday Night
Low: 64 °F
Chance
Showers and
Patchy Fog
Wednesday
High: 79 °F
Chance
Showers and
Areas Fog
then Showers
Wednesday Night
Low: 62 °F
Showers then
Chance
Showers
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 75 °F
Sunny
Friday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.

Tuesday

A chance of showers, mainly between 7am and 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 76. Light and variable wind. 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 64. Calm wind. Chance of precipitation is 50%.

Wednesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Areas of fog before 9am. High near 79. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms before 11pm, then a chance of showers. Low around 62. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%.

Thursday

Sunny, with a high near 77.

Thursday Night

Mostly clear, with a low around 54.

Friday

Sunny, with a high near 75.

Friday Night

Mostly clear, with a low around 54.

Saturday

Mostly sunny, with a high near 72.

Saturday Night

Partly cloudy, with a low around 52.