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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

38°F

3°C

Humidity 34%
Wind Speed S 8 mph
Barometer 30.01 in (1017.0 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Jan 4:56 am EST
Extended Forecast for

3 Miles NE Casanova VA

  • Overnight

    Overnight: A slight chance of light snow. Cloudy, with a low around 33. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Light Snow

  • Saturday

    Saturday: A chance of rain, snow, and sleet before 11am, then a slight chance of rain between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 48. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 48 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Light and variable wind.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of light snow. Cloudy, with a high near 34. North wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Light
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17. Light and variable wind.

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of light snow. Cloudy, with a low around 33. South wind around 8 mph. Chance of precipitation is 20%.
Saturday
A chance of rain, snow, and sleet before 11am, then a slight chance of rain between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 48. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday Night
Increasing clouds, with a low around 30. Light and variable wind.
Sunday
A chance of light snow. Cloudy, with a high near 34. North wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 17. Light and variable wind.
M.L.King Day
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Casanova VA
 38.66°N 77.61°W (Elev. 249 ft)
Last Update:
4:28 am EST Jan 17, 2026
Forecast Valid:
5am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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