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 Calm
Barometer 30.28 in (1026.9 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 24 May 6:56 am EDT
Extended Forecast for

Rossmoor MD

  • Today

    Today: A chance of showers before 10am. Patchy fog before noon. Otherwise, cloudy, with a high near 68. East wind 3 to 5 mph. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 61. Light east wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Memorial Day

    Memorial Day: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Light and variable wind becoming west around 5 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 62. 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: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers before 10am. Patchy fog before noon. Otherwise, cloudy, with a high near 68. East wind 3 to 5 mph. Chance of precipitation is 50%.
Tonight
Showers likely, mainly after 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 61. Light east wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Memorial Day
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Light and variable wind becoming west around 5 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.12°N 77.07°W (Elev. 479 ft)
Last Update:
5:44 am EDT May 24, 2026
Forecast Valid:
7am EDT May 24, 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