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

Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

40°F

4°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 9 Mar 2:56 am EDT
Extended Forecast for

Haymarket VA

  • Overnight

    Overnight: Clear, with a low around 45. Calm wind.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. South wind 3 to 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 8pm. Mostly clear, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain
    then Mostly
    Clear

Detailed Forecast

Overnight
Clear, with a low around 45. Calm wind.
Monday
Sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 48. Calm wind.
Tuesday
Sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59. South wind 3 to 5 mph.
Wednesday
A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Wednesday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of rain before 8pm. Mostly clear, with a low around 32. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Haymarket VA
 38.82°N 77.64°W (Elev. 348 ft)
Last Update:
1:53 am EDT Mar 9, 2026
Forecast Valid:
3am EDT Mar 9, 2026-6pm EDT Mar 15, 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