Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
65°F
18°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.07 in (1019.5 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 11 Sep 11:56 pm EDT |
Extended Forecast for
Rockville MD
Overnight

Low: 67 °F
Mostly Cloudy
Saturday
High: 82 °F
Mostly Cloudy
then Chance
T-stormsSaturday Night

Low: 69 °F
Showers and
Patchy FogSunday

High: 84 °F
Chance
Showers and
Patchy FogSunday Night

Low: 67 °F
Partly Cloudy
Monday

High: 79 °F
Mostly Sunny
Monday Night

Low: 55 °F
Mostly Clear
Tuesday

High: 76 °F
Sunny
Tuesday Night

Low: 60 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 67. Calm wind.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then showers likely after 5am. Patchy fog between 10pm and 5am. Low around 69. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Patchy fog between 7am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 84. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 67. Calm wind becoming west around 5 mph after midnight.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rockville MD
39.08°N 77.16°W (Elev. 430 ft)
39.08°N 77.16°W (Elev. 430 ft)
10:53 pm EDT Sep 11, 2026
12am EDT Sep 12, 2026-6pm EDT Sep 18, 2026


