Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Overcast
72°F
22°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.13 in (1021.2 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 15 Aug 1:56 am EDT |
Extended Forecast for
Rossmoor MD
Overnight

Low: 69 °F
Partly Cloudy
Saturday

High: 86 °F
Increasing
CloudsSaturday Night
Low: 70 °F
Mostly Cloudy
then Chance
ShowersSunday
High: 82 °F
Showers then
T-stormsSunday Night
Low: 71 °F
T-storms then
ShowersMonday

High: 87 °F
Mostly Sunny
Monday Night

Low: 68 °F
Mostly Clear
Tuesday

High: 84 °F
Sunny
Tuesday Night

Low: 66 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 69. Calm wind.
Saturday
Increasing clouds, with a high near 86. Light east wind.
Saturday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 70. Light southeast wind. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. High near 82. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 71. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rossmoor MD
39.09°N 77.08°W (Elev. 440 ft)
39.09°N 77.08°W (Elev. 440 ft)
2:22 am EDT Aug 15, 2026
2am EDT Aug 15, 2026-6pm EDT Aug 21, 2026


