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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

73°F

23°C

Humidity 50%
Wind Speed SW 12 G 17 mph
Barometer 29.74 in (1008.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 26 Mar 11:56 pm EDT
Extended Forecast for

Washington Grove MD

  • Overnight

    Overnight: A slight chance of rain before 3am, then a chance of rain after 4am. Mostly cloudy, with a low around 49. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain

  • Friday

    Friday: Rain. Temperature falling to around 49 by 4pm. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F⇓

    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance Rain

Detailed Forecast

Overnight
A slight chance of rain before 3am, then a chance of rain after 4am. Mostly cloudy, with a low around 49. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
Rain. Temperature falling to around 49 by 4pm. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 31. Light and variable wind.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 64.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
A chance of rain. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Wednesday
A chance of rain. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 79. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Grove MD
 39.13°N 77.18°W (Elev. 459 ft)
Last Update:
10:53 pm EDT Mar 26, 2026
Forecast Valid:
12am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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