Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
76°F
24°C
| Humidity | 62% |
| Wind Speed | Calm |
| Barometer | 30.05 in (1018.6 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 21 Aug 5:56 pm EDT |
Extended Forecast for
Germantown MD
Tonight
Low: 64 °F
Mostly Cloudy
then Showers
LikelySaturday

High: 77 °F
Showers and
Areas FogSaturday Night

Low: 65 °F
Scattered
ShowersSunday

High: 81 °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: 63 °F
Mostly Clear
Detailed Forecast
Tonight
Showers likely after 2am. Increasing clouds, with a low around 64. Light east wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers and possibly a thunderstorm before 2pm, then isolated showers and thunderstorms after 2pm. Areas of fog before 2pm. High near 77. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms between 8pm and 11pm, then isolated showers. Mostly 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 81. West wind 5 to 9 mph, with gusts as high as 20 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 63.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. 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 83. 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
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ABOUT THIS FORECAST
Point Forecast:
Germantown MD
39.2°N 77.23°W (Elev. 443 ft)
39.2°N 77.23°W (Elev. 443 ft)
4:53 pm EDT Aug 21, 2026
6pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026


