National Weather Service

News Headlines

Our Forecaster Discussions have changed format to focus on Key Messages.
2026 NWS Baltimore/Washington summer student volunteer application period is now open

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

46°F

8°C

Humidity	42%
Wind Speed	SE 6 mph
Barometer	29.82 in (1011.6 mb)
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Wind Chill	43°F (6°C)
Last update	13 Jan 5:56 pm EST

More Information:

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

Extended Forecast for

Aspen Hill MD

Tonight
Low: 41 °F
Mostly Cloudy
Wednesday
High: 51 °F
Chance Rain
Wednesday Night
Low: 23 °F
Rain/Snow
Likely
Thursday
High: 29 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Mostly Clear
Friday
High: 33 °F
Mostly Sunny
Friday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 43 °F
Mostly Sunny
Saturday Night
Low: 22 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 41. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

Wednesday

A slight chance of rain before noon, then a chance of rain after 3pm. Cloudy, with a high near 51. Southwest wind around 6 mph. Chance of precipitation is 30%.

Wednesday Night

Rain likely, possibly mixed with snow before 1am, then a chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 23. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday

Mostly sunny, with a high near 29. Northwest wind 13 to 16 mph, with gusts as high as 30 mph.

Thursday Night

Mostly clear, with a low around 17. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

Friday

Mostly sunny, with a high near 33.

Friday Night

Partly cloudy, with a low around 27.

Saturday

Mostly sunny, with a high near 43.

Saturday Night

Mostly cloudy, with a low around 22.