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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

52°F

11°C

Humidity NA
Wind Speed Vrbl 6 mph
Barometer 30.32 in (1028.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 23 May 6:56 pm EDT
Extended Forecast for

Rockville MD

  • Tonight

    Tonight: Showers, with thunderstorms also possible after midnight. Low around 53. East wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 5pm. Cloudy, with a high near 73. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 2am. Cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Memorial Day

    Memorial Day: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after midnight. Low around 53. East wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 5pm. Cloudy, with a high near 73. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Memorial Day
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
A chance of showers before 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.1°N 77.13°W (Elev. 400 ft)
Last Update:
4:53 pm EDT May 23, 2026
Forecast Valid:
7pm EDT May 23, 2026-6pm EDT May 30, 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