Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

75°F

24°C

Humidity	64%
Wind Speed	Vrbl 5 mph
Barometer	30.03 in (1017.7 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	10 Sep 12:56 am EDT

More Information:

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

Extended Forecast for

Washington Grove MD

Overnight
Low: 71 °F
Partly Cloudy
Thursday
High: 87 °F
Chance
Showers
Thursday Night
Low: 66 °F
Showers
Friday
High: 81 °F
Partly Sunny
Friday Night
Low: 65 °F
Mostly Cloudy
Saturday
High: 80 °F
Showers
Likely
Saturday Night
Low: 68 °F
Showers
Likely
Sunday
High: 84 °F
Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 71. Southwest wind around 9 mph, with gusts as high as 20 mph.

Thursday

A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 87. West wind 5 to 8 mph. Chance of precipitation is 30%.

Thursday Night

Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Partly sunny, with a high near 81. North wind 3 to 6 mph.

Friday Night

Mostly cloudy, with a low around 65. Calm wind.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 68. Chance of precipitation is 60%.

Sunday

A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 66.

Tuesday

Mostly sunny, with a high near 85.

Tuesday Night

Mostly clear, with a low around 69.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.