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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

79°F

26°C

Humidity 78%
Wind Speed SE 5 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Aug 8:55 pm EDT
Extended Forecast for

2 Miles E Newington VA

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then scattered showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87. North wind 3 to 5 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Light south wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then scattered showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 87. North wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 70. Light south wind.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Sunny, with a high near 93.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newington VA
 38.72°N 77.17°W (Elev. 59 ft)
Last Update:
8:25 pm EDT Aug 27, 2026
Forecast Valid:
10pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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