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

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

69°F

21°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 30.02 in (1016.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 3:56 am EDT
Extended Forecast for

3 Miles S Broad Run VA

  • Overnight

    Overnight: Scattered showers, with thunderstorms also possible after 5am. Cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.

    Low: 63 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly between 8am and 3pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 82. Light west wind increasing to 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers, with thunderstorms also possible after 5am. Cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.
Saturday
Scattered showers and thunderstorms, mainly between 8am and 3pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 82. Light west wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Broad Run VA
 38.76°N 77.73°W (Elev. 518 ft)
Last Update:
2:22 am EDT Aug 22, 2026
Forecast Valid:
4am EDT Aug 22, 2026-6pm EDT Aug 28, 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