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.

Partly Cloudy

72°F

22°C

Humidity 52%
Wind Speed W 6 mph
Barometer 29.74 in (1008.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 27 Mar 1:56 am EDT
Extended Forecast for

Sandy Spring MD

  • Overnight

    Overnight: Isolated showers before 3am, then scattered showers after 4am. Mostly cloudy, with a low around 48. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    Showers

  • Friday

    Friday: Showers, mainly before 1pm. Temperature falling to around 48 by 4pm. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F⇓

    Showers then
    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 46. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance Rain

Detailed Forecast

Overnight
Isolated showers before 3am, then scattered showers after 4am. Mostly cloudy, with a low around 48. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Showers, mainly before 1pm. Temperature falling to around 48 by 4pm. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 31. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 46. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 31. Light and variable wind.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 64.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
A chance of rain after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Wednesday
A chance of rain. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.16°N 77.04°W (Elev. 469 ft)
Last Update:
12:00 am EDT Mar 27, 2026
Forecast Valid:
2am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation