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.

A Few Clouds

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 29.80 in (1009.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 Jul 9:56 pm EDT
Extended Forecast for

3 Miles SSE Catharpin VA

  • Tonight

    Tonight: Isolated showers and thunderstorms before 11pm, then scattered showers and thunderstorms after 5am. Partly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Partly Cloudy
    then
    Scattered
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. South wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly clear, with a low around 67. Northwest wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Isolated
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 84. Northwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 66. Northwest wind 8 to 13 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 11pm, then scattered showers and thunderstorms after 5am. Partly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. South wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly clear, with a low around 67. Northwest wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 84. Northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 66. Northwest wind 8 to 13 mph.
Thursday
Partly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Catharpin VA
 38.81°N 77.55°W (Elev. 253 ft)
Last Update:
8:31 pm EDT Jul 27, 2026
Forecast Valid:
10pm EDT Jul 27, 2026-6pm EDT Aug 3, 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