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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

68°F

20°C

Humidity 92%
Wind Speed Calm
Barometer 29.81 in (1009.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Jul 5:55 am EDT
Extended Forecast for

Newington VA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Light and variable wind. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 69. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 11am. High near 85. South wind 7 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.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 68. Southwest wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Light and variable wind. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 69. South wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 85. South wind 7 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.
Tuesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 68. Southwest wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 84. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newington VA
 38.75°N 77.19°W (Elev. 148 ft)
Last Update:
4:53 am EDT Jul 27, 2026
Forecast Valid:
6am EDT Jul 27, 2026-6pm EDT Aug 2, 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