Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
73°F
23°C
| Humidity | 62% |
| Wind Speed | Calm |
| Barometer | 30.07 in (1019.3 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 6:56 pm EDT |
Extended Forecast for
Germantown MD
Tonight
Low: 64 °F
Mostly Cloudy
then Showers
LikelySaturday

High: 78 °F
Showers and
Areas FogSaturday Night

Low: 66 °F
Scattered
ShowersSunday

High: 82 °F
Decreasing
CloudsSunday Night

Low: 61 °F
Mostly Clear
Monday

High: 80 °F
Sunny
Monday Night

Low: 59 °F
Mostly Clear
Tuesday

High: 81 °F
Sunny
Tuesday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
Tonight
Showers likely after 2am. Mostly cloudy, with a low around 64. Calm 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 scattered showers and thunderstorms, mainly after 5pm. Areas of fog before 2pm. High near 78. 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 before 11pm, then isolated showers. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 81.
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 85. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Germantown MD
39.16°N 77.27°W (Elev. 381 ft)
39.16°N 77.27°W (Elev. 381 ft)
4:53 pm EDT Aug 21, 2026
7pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026


