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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds and Breezy

32°F

0°C

Humidity 61%
Wind Speed W 22 G 30 mph
Barometer 29.74 in (1008.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Mar 2:56 am EDT
Extended Forecast for

Washington Grove MD

  • Overnight

    Overnight: Mostly clear, with a low around 29. West wind around 18 mph, with gusts as high as 31 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. West wind around 15 mph, with gusts as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southeast wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 29. West wind around 18 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 39. West wind around 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 24. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. Southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
A chance of rain. Mostly sunny, with a high near 53. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Grove MD
 39.15°N 77.18°W (Elev. 456 ft)
Last Update:
2:42 am EDT Mar 17, 2026
Forecast Valid:
3am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation