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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

42°F

6°C

Humidity 92%
Wind Speed N 6 mph
Barometer 30.13 in (1021.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Nov 10:56 pm EST
Extended Forecast for

4 Miles NNW Haymarket VA

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog before 1am, then patchy fog after 3am. Low around 40. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. North wind 3 to 7 mph.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain after 1am. Cloudy, with a low around 44. Light south wind. Chance of precipitation is 20%.

    Low: 44 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday

    Friday: A slight chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog before 1am, then patchy fog after 3am. Low around 40. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. North wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.
Thursday
Cloudy, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of rain after 1am. Cloudy, with a low around 44. Light south wind. Chance of precipitation is 20%.
Friday
A slight chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 20%.
Friday Night
Rain likely. Cloudy, with a low around 48. Chance of precipitation is 70%.
Saturday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Haymarket VA
 38.87°N 77.69°W (Elev. 682 ft)
Last Update:
9:53 pm EST Nov 18, 2025
Forecast Valid:
11pm EST Nov 18, 2025-6pm EST Nov 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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