National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

52°F

11°C

Humidity NA
Wind Speed Calm
Barometer 29.78 in (1009.8 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 21 Mar 2:56 am EDT
Extended Forecast for

2 Miles SE Mount Airy MD

  • Overnight

    Overnight: Partly cloudy, with a low around 46. West wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. North wind 5 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Calm wind becoming southeast around 6 mph in the evening.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 2pm. Partly sunny, with a high near 77. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain and possibly a thunderstorm after 2am. Low around 47. South wind around 9 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Chance
    T-storms then
    Rain

  • Monday

    Monday: Rain, mainly before 8am. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 61. North wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 46. Calm wind becoming southeast around 6 mph in the evening.
Sunday
A slight chance of rain after 2pm. Partly sunny, with a high near 77. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Sunday Night
A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain and possibly a thunderstorm after 2am. Low around 47. South wind around 9 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Monday
Rain, mainly before 8am. High near 52. Chance of precipitation is 80%.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Mount Airy MD
 39.34°N 77.12°W (Elev. 699 ft)
Last Update:
2:22 am EDT Mar 21, 2026
Forecast Valid:
3am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation