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.

Fair

48°F

9°C

Humidity NA
Wind Speed Calm
Barometer 30.17 in (1022.9 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Jan 3:56 am EST
Extended Forecast for

3 Miles S Damascus MD

  • Overnight

    Overnight: A chance of rain after 5am. Cloudy, with a low around 42. North wind around 5 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 5pm. High near 45. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 36. Light and variable wind becoming northwest 8 to 13 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain between 1pm and 4pm, then a slight chance of snow after 4pm. Mostly sunny, with a high near 42. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 42 °F

    Sunny then
    Slight Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Breezy, with a west wind 16 to 21 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain after 5am. Cloudy, with a low around 42. North wind around 5 mph. Chance of precipitation is 30%.
Saturday
Rain, mainly before 5pm. High near 45. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 36. Light and variable wind becoming northwest 8 to 13 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain between 1pm and 4pm, then a slight chance of snow after 4pm. Mostly sunny, with a high near 42. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. Breezy, with a west wind 16 to 21 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Damascus MD
 39.24°N 77.19°W (Elev. 551 ft)
Last Update:
3:53 am EST Jan 10, 2026
Forecast Valid:
4am EST Jan 10, 2026-6pm EST Jan 16, 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