National Weather Service

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

17°C

63°F

Humidity	60%
Wind Speed	Vrbl 6 km/h
Barometer	1029.6 mb (30.37 in)
Dewpoint	9°C (49°F)
Visibility	16 km
Last update	10 Oct 7:56 pm EDT

More Information:

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

Extended Forecast for

Gaithersburg MD

Tonight
Low: 16 °C
Cloudy then
Showers
Likely
Sunday
High: 20 °C
Showers
Sunday Night
Low: 17 °C
Showers
Columbus Day
High: 22 °C
Mostly Cloudy
Monday Night
Low: 14 °C
Partly Cloudy
Tuesday
High: 25 °C
Sunny
Tuesday Night
Low: 17 °C
Mostly Clear
Wednesday
High: 25 °C
Sunny
Wednesday Night
Low: 13 °C
Mostly Clear

Detailed Forecast

Tonight

Showers likely, mainly after 3am. Cloudy, with a low around 16. East wind 11 to 14 km/h, with gusts as high as 29 km/h. Chance of precipitation is 60%. New precipitation amounts between 7.5 mm and 1 cm possible.

Sunday

Showers, with thunderstorms also possible after 2pm. High near 20. East wind around 24 km/h, with gusts as high as 47 km/h. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 cm possible.

Sunday Night

Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 17. East wind 5 to 11 km/h becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

Columbus Day

Sunny through mid morning, then becoming mostly cloudy, with a high near 22. Northwest wind 16 to 18 km/h, with gusts as high as 37 km/h.

Monday Night

Partly cloudy, with a low around 14. Northwest wind 3 to 8 km/h.

Tuesday

Sunny, with a high near 25.

Tuesday Night

Mostly clear, with a low around 17.

Wednesday

Sunny, with a high near 25.

Wednesday Night

Mostly clear, with a low around 13.