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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

76°F

24°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 16 Aug 10:56 pm EDT
Extended Forecast for

2 Miles WSW Bull Run VA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Light south wind.

    Low: 70 °F

    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 94. Light southwest wind.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. North wind around 7 mph. Chance of precipitation is 20%.

    High: 84 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

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

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Light south wind.
Sunday
Sunny, with a high near 94. Light southwest wind.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. North wind around 7 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Bull Run VA
 38.79°N 77.56°W (Elev. 272 ft)
Last Update:
10:29 pm EDT Aug 16, 2025
Forecast Valid:
11pm EDT Aug 16, 2025-6pm EDT Aug 23, 2025
 
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