Bristow, Virginia Weather
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Weather Forecast for Bristow, Virginia : Fairfax County
Issued: 10:31 pm EDT Jul 4, 2025 Latitude: 38.8148351 Longitude: -77.2116486 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Clear on Overnight Sunny on Saturday Sunny on Sunday 30% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 30% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 50% chance of thunderstorms on Friday
Low: 66°F High: 88°F High: 91°F High: 89°F High: 91°F High: 90°F High: 88°F High: 87°F
Low: 67°F Low: 73°F Low: 74°F Low: 72°F Low: 72°F Low: 71°F  
Clear Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
FORT BELVOIR - (KDAA)
64°
Clear
Mist
as of 12:55 AM EDST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WASHINGTON - (KDCA)
73°
Mostly Clear
Smoke
as of 12:52 AM EDST
Rel. Humidity: 73%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Few at 500ft, Few at 25000ft
Current Conditions at
WASH-DULLES - (KIAD)
64°
Clear
as of 12:52 AM EDST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 8 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MANASSAS - (KHEF)
64°
Clear
as of 1:03 AM EDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 2 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 66. Calm wind.
Sunny on Saturday Saturday... Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 67. South wind around 6 mph.
Sunny on Sunday Sunday... Sunny, with a high near 91. South wind 3 to 7 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 73. South wind 3 to 7 mph.
30% chance of thunderstorms Monday Monday... A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.
30% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
30% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
30% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
30% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
60% chance of thunderstorms Thursday Night Thursday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
50% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Current Radar Image


Sun Almanac for Bristow, Virginia
Sunrise: 05:50 AM
Sunset: 8:37 PM
Civil Sunrise:05:18 AM
Civil Sunset: 9:09 PM
Nautical Sunrise: 04:39 AM
Nautical Sunset: 9:49 PM
Astro Sunrise: 03:53 AM
Astro Sunset: 10:34 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.