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.

Fair

39°F

4°C

Humidity 67%
Wind Speed SE 6 mph
Barometer 30.57 in (1036.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Apr 12:56 am EDT
Extended Forecast for

Sandy Spring MD

Frost Advisory until April 9, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 9, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 33 °F

    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. South wind around 6 mph becoming west after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33. Light southeast wind.
Thursday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 40. South wind 3 to 6 mph.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 53. South wind around 6 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 89.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
A chance of showers. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.16°N 77.04°W (Elev. 469 ft)
Last Update:
10:53 pm EDT Apr 8, 2026
Forecast Valid:
1am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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