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

45°F

7°C

Humidity 56%
Wind Speed N 6 mph
Barometer 30.10 in (1020.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 27 Mar 4:56 pm EDT
Extended Forecast for

Sandy Spring MD

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a steady temperature around 46. North wind around 8 mph. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of rain showers and flurries before 2am, then a chance of flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 30. Light north wind increasing to 5 to 9 mph after midnight. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a steady temperature around 46. North wind around 8 mph. Chance of precipitation is 40%.
Tonight
A chance of rain showers and flurries before 2am, then a chance of flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 30. Light north wind increasing to 5 to 9 mph after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 47. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 29. Light and variable wind.
Sunday
Mostly sunny, with a high near 57. South wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A chance of rain. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.16°N 77.04°W (Elev. 469 ft)
Last Update:
4:54 pm EDT Mar 27, 2026
Forecast Valid:
5pm EDT Mar 27, 2026-6pm EDT Apr 3, 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