Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed NW 8 mph
Barometer 29.95 in (1014.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Aug 9:56 am EDT
Extended Forecast for

2 Miles SSE Derwood MD

  • Today

    Today: Mostly sunny, with a high near 88. Northwest wind around 8 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Light north wind.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 83. Light northeast wind.  Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Northeast wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 88. Northwest wind around 8 mph.
Tonight
Mostly cloudy, with a low around 70. Light north wind.
Friday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 83. Light northeast wind. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. Northeast wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 69.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Monday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A slight chance of showers. Sunny, with a high near 88. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Derwood MD
 39.1°N 77.13°W (Elev. 400 ft)
7:53 am EDT Aug 13, 2026
10am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database