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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 30.22 in (1024.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Nov 1:56 am EST
Extended Forecast for

Sandy Spring MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 62 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Clear, with a low around 41. West wind around 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. Light northeast wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 41. West wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 59. West wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 62.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.14°N 77.04°W (Elev. 463 ft)
Last Update:
12:29 am EST Nov 3, 2025
Forecast Valid:
2am EST Nov 3, 2025-6pm EST Nov 9, 2025
 
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