Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17° N Lon: 77.17° W Elev: 495 ft.

Overcast

77°F

25°C

Humidity 82%
Wind Speed Calm
Barometer 30.10 in (1020.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Aug 10:56 am EDT
Detailed forecast for

Northwest Montgomery

Rest Of Today
Mostly cloudy. A slight chance of showers late this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the lower 80s. Light and variable winds, becoming northwest around 5 mph this afternoon. Chance of rain 50 percent.
Tonight
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.
Saturday
Mostly sunny. Highs in the mid 80s. East winds around 5 mph.
Saturday Night
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. East winds around 5 mph, becoming southeast after midnight. Chance of rain 40 percent.
Sunday
Showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 70 percent.
Sunday Night
Showers likely. Lows in the lower 70s. Chance of rain 70 percent.
Monday
Mostly sunny. Highs in the upper 80s.
Monday Night
Partly cloudy. Lows in the upper 60s.
Tuesday
Sunny. Highs in the mid 80s.
Tuesday Night
Mostly clear. Lows in the mid 60s.
Wednesday
Sunny. Highs in the upper 80s.
Wednesday Night
Partly cloudy. Lows around 70.
Thursday
Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent.



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1056 AM EDT Fri Aug 14 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database