Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
64°F
18°C
| Humidity | 43% |
| Wind Speed | NE 3 mph |
| Barometer | 29.89 in (1013.5 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 21 Mar 6:56 pm EDT |
Extended Forecast for
3 Miles W North Potomac MD
Tonight

Low: 48 °F
Partly Cloudy
Sunday

High: 82 °F
Partly Sunny
Sunday Night
Low: 49 °F
Chance
Showers then
ShowersMonday
High: 56 °F
Showers then
Slight Chance
RainMonday Night

Low: 33 °F
Mostly Clear
Tuesday

High: 51 °F
Sunny
Tuesday Night

Low: 37 °F
Mostly Cloudy
Wednesday

High: 60 °F
Partly Sunny
Wednesday Night

Low: 43 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 48. Light and variable wind becoming southeast around 6 mph in the evening.
Sunday
Partly sunny, with a high near 82. South wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 49. Southwest wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers before 8am, then a slight chance of rain between 8am and 2pm. High near 56. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 33. North wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 52.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles W North Potomac MD
39.1°N 77.31°W (Elev. 348 ft)
39.1°N 77.31°W (Elev. 348 ft)
6:07 pm EDT Mar 21, 2026
7pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026


