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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

57°F

14°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 May 2:55 pm EDT
Extended Forecast for

Mount Vernon VA

  • This Afternoon

    This Afternoon: Rain likely. Areas of fog. Otherwise, cloudy, with a high near 62. East wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain Likely
    and Areas Fog

  • Tonight

    Tonight: Showers before 2am, then rain likely after 2am. Areas of fog before 4am. Low around 51. East wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers and
    Areas Fog

  • Saturday

    Saturday: Rain. Areas of fog. High near 63. East wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain and
    Areas Fog

  • Saturday Night

    Saturday Night: Rain. Low around 56. East wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Sunday

    Sunday: Rain before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Rain likely. Areas of fog. Otherwise, cloudy, with a high near 62. East wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers before 2am, then rain likely after 2am. Areas of fog before 4am. Low around 51. East wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. Areas of fog. High near 63. East wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 56. East wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Memorial Day
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 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 81. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
Last Update:
2:23 pm EDT May 22, 2026
Forecast Valid:
3pm EDT May 22, 2026-6pm EDT May 29, 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