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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

63°F

17°C

Humidity 65%
Wind Speed Calm
Barometer 30.24 in (1024.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 4:56 pm EDT
Extended Forecast for

Manassas VA

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 61. Light northeast wind. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 8am and 10am. Cloudy, with a high near 66. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Patchy fog before 2am. Otherwise, cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 72. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 61. Light northeast wind. Chance of precipitation is 40%.
Tonight
A chance of showers, mainly after 3am. Cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.
Sunday
Showers likely, mainly between 8am and 10am. Cloudy, with a high near 66. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog before 2am. Otherwise, cloudy, with a low around 58. Calm wind.
Monday
Mostly sunny, with a high near 72. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Clear, with a low around 44.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Manassas VA
 38.73°N 77.48°W (Elev. 249 ft)
Last Update:
4:53 pm EDT Oct 3, 2026
Forecast Valid:
5pm EDT Oct 3, 2026-6pm EDT Oct 10, 2026
 
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