Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
43°F
6°C
| Humidity | 42% |
| Wind Speed | SE 7 mph |
| Barometer | 30.37 in (1030.2 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 24 Mar 9:56 pm EDT |
Extended Forecast for
Gaithersburg MD
Tonight

Low: 36 °F
Mostly Cloudy
Wednesday

High: 59 °F
Partly Sunny
Wednesday Night

Low: 48 °F
Mostly Cloudy
Thursday

High: 72 °F
Partly Sunny
Thursday Night
Low: 54 °F
Slight Chance
Rain then
Rain LikelyFriday

High: 61 °F
Rain Likely
Friday Night
Low: 30 °F
Chance Rain
then Partly
CloudySaturday

High: 49 °F
Sunny
Saturday Night

Low: 32 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 36. Light south wind.
Wednesday
Partly sunny, with a high near 59. South wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 48. South wind around 8 mph.
Thursday
Partly sunny, with a high near 72. South wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 54. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Friday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 66.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Gaithersburg MD
39.15°N 77.21°W (Elev. 443 ft)
39.15°N 77.21°W (Elev. 443 ft)
7:54 pm EDT Mar 24, 2026
10pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026


