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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

34°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 30.55 in (1036.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 9 Apr 3:56 am EDT
Extended Forecast for

Sandy Spring MD

Frost Advisory April 9, 04:39am until April 9, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory April 9, 04:39am until April 9, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Today

    High: 59 °F

    Frost then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Southeast wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the morning.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. South wind around 7 mph becoming west after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 67. North wind around 9 mph, with gusts as high as 18 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 40. Southeast wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Increasing clouds, with a low around 53. South wind around 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 67. North wind around 9 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly cloudy, with a high near 82.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
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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:
2:23 am EDT Apr 9, 2026
Forecast Valid:
4am EDT Apr 9, 2026-6pm EDT Apr 15, 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