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

Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

90°F

32°C

Humidity 47%
Wind Speed SE 3 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 May 6:55 pm EDT
Extended Forecast for

2 Miles SSW Fort Washington MD

  • Tonight

    Tonight: Mostly clear, with a low around 72. South wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Southwest wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South wind around 9 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 93. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 59. North wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 72. South wind around 7 mph.
Tuesday
Sunny, with a high near 95. Southwest wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 74. South wind around 9 mph.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 93. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 59. North wind 5 to 7 mph. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Friday Night
Showers. Low around 54. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Fort Washington MD
 38.71°N 77.03°W (Elev. 128 ft)
Last Update:
4:54 pm EDT May 18, 2026
Forecast Valid:
7pm EDT May 18, 2026-6pm EDT May 25, 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