Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
71°F
22°C
| Humidity | 71% |
| Wind Speed | Calm |
| Barometer | 30.07 in (1019.5 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 7:56 pm EDT |
Extended Forecast for
2 Miles WSW Gaithersburg MD
Tonight
Low: 64 °F
Mostly Cloudy
then Chance
Showers and
Patchy FogSaturday

High: 78 °F
Showers
LikelySaturday Night
Low: 66 °F
Chance
T-storms then
Chance
ShowersSunday

High: 82 °F
Decreasing
CloudsSunday Night

Low: 61 °F
Mostly Clear
Monday

High: 81 °F
Sunny
Monday Night

Low: 59 °F
Mostly Clear
Tuesday

High: 81 °F
Sunny
Tuesday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
Tonight
A chance of showers after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 78. 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. 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 3 to 6 mph.
Monday
Sunny, with a high near 81.
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:
2 Miles WSW Gaithersburg MD
39.13°N 77.24°W (Elev. 400 ft)
39.13°N 77.24°W (Elev. 400 ft)
7:52 pm EDT Aug 21, 2026
8pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026


