Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

59°F

15°C

Humidity	44%
Wind Speed	W 3 mph
Barometer	30.01 in (1017.7 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	17 Oct 5:56 pm EDT

More Information:

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

Extended Forecast for

Aspen Hill MD

Tonight
Low: 42 °F
Mostly Clear
Saturday
High: 70 °F
Decreasing
Clouds
Saturday Night
Low: 53 °F
Mostly Clear
Sunday
High: 75 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 50 °F
Showers
Monday
High: 63 °F
Chance
Showers
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 46 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 7 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 53. Southeast wind 3 to 5 mph.

Sunday

A chance of showers after 2pm. Partly sunny, with a high near 75. South wind 7 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

Sunday Night

Showers, mainly between 8pm and 2am. Low around 50. South wind around 11 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

Monday

A chance of showers, mainly before 8am. Mostly sunny, with a high near 63. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 44.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Partly cloudy, with a low around 46.

Wednesday

Mostly sunny, with a high near 59.

Wednesday Night

Mostly clear, with a low around 43.