Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
65°F
18°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.09 in (1019.9 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 10:56 pm EDT |
Extended Forecast for
3 Miles NNE Germantown MD
Tonight
Low: 63 °F
Chance
ShowersSaturday
High: 77 °F
Showers
LikelySaturday Night
Low: 65 °F
Chance
T-storms then
Chance
ShowersSunday
High: 80 °F
Decreasing
CloudsSunday Night
Low: 60 °F
Mostly Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Detailed Forecast
Tonight
A chance of showers after 4am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Saturday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 77. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 40%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 80. West wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 3 to 5 mph.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Germantown MD
39.22°N 77.25°W (Elev. 505 ft)
39.22°N 77.25°W (Elev. 505 ft)
10:53 pm EDT Aug 21, 2026
11pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
