Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

47°F

8°C

Humidity	66%
Wind Speed	Calm
Barometer	30.47 in (1033.3 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	9 Oct 10:56 pm EDT

More Information:

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

Extended Forecast for

Clarksville MDSimilar City Names

Tonight
Low: 36 °F
Areas Frost
Friday
High: 63 °F
Areas Frost
then Mostly
Sunny
Friday Night
Low: 48 °F
Mostly Cloudy
Saturday
High: 67 °F
Slight Chance
Showers then
Chance
Showers
Saturday Night
Low: 56 °F
Showers
Likely
Sunday
High: 61 °F
Showers
Sunday Night
Low: 51 °F
Showers
Likely
Columbus Day
High: 59 °F
Chance
Showers
Monday Night
Low: 52 °F
Chance
Showers

Detailed Forecast

Tonight

Areas of frost after 3am. Otherwise, clear, with a low around 36. Northeast wind around 5 mph.

Friday

Areas of frost before 9am. Otherwise, sunny, with a high near 63. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

Friday Night

Mostly cloudy, with a low around 48. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Northeast wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

Saturday Night

Showers likely, mainly after 8pm. Cloudy, with a low around 56. Northeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Sunday

Showers. High near 61. Chance of precipitation is 80%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

Columbus Day

A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.

Monday Night

A chance of showers before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 67.

Tuesday Night

Partly cloudy, with a low around 50.