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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

50°F

10°C

Humidity 48%
Wind Speed NW 12 G 35 mph
Barometer 30.02 in (1017.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 23 Mar 3:56 pm EDT
Extended Forecast for

Sandy Spring MD

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. North wind around 6 mph becoming calm in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 36. Light south wind.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. South wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. South wind around 9 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain and snow before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 50. North wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Increasing clouds, with a low around 36. Light south wind.
Wednesday
Partly sunny, with a high near 58. South wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 47. South wind around 9 mph.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.14°N 77.04°W (Elev. 463 ft)
Last Update:
2:23 pm EDT Mar 23, 2026
Forecast Valid:
4pm EDT Mar 23, 2026-6pm EDT Mar 30, 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