Knollwood Estates, Virginia Weather
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Weather Forecast for Knollwood Estates, Virginia : Prince William County
Issued: 1:31 am EDT Jul 7, 2025 Latitude: 38.8612244 Longitude: -77.6780481 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
30% chance of rain on Overnight 50% chance of thunderstorms on Monday 70% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday 80% chance of thunderstorms on Thursday 70% chance of thunderstorms on Friday 60% chance of thunderstorms on Saturday 60% chance of thunderstorms on Sunday
Low: 72°F High: 89°F High: 91°F High: 88°F High: 84°F High: 85°F High: 86°F High: 85°F
Low: 73°F Low: 71°F Low: 70°F Low: 70°F Low: 70°F Low: 71°F  
Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
MANASSAS - (KHEF)
77°
Clear
as of 12:56 AM EDST
Rel. Humidity: 88%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WASH-DULLES - (KIAD)
77°
Mostly Cloudy
as of 12:52 AM EDST
Rel. Humidity: 83%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 2400ft, Broken at 18000ft
Current Conditions at
LEESBURG/GODFREY - (KJYO)
79°
Mostly Cloudy
as of 1:35 AM EDST
Rel. Humidity: 88%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Scattered at 1600ft, Scattered at 2100ft, Broken at 9000ft
Current Conditions at
WINCHESTER RGNL - (KOKV)
73°
Mostly Cloudy
as of 1:35 AM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 1800ft
30% chance of rain Overnight Overnight... Scattered showers, mainly after 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
50% chance of thunderstorms Monday Monday... Scattered showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 50%.
30% chance of thunderstorms Monday Night Monday Night... Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Light southwest wind. Chance of precipitation is 30%.
70% chance of thunderstorms Tuesday Tuesday... Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 60%.
60% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
60% chance of thunderstorms Wednesday Night Wednesday Night... Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
80% chance of thunderstorms Thursday Thursday... A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
80% chance of thunderstorms Thursday Night Thursday Night... Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 70. Chance of precipitation is 80%.
70% chance of thunderstorms Friday Friday... Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
60% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
60% chance of thunderstorms Saturday Saturday... Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
60% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
60% chance of thunderstorms Sunday Sunday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Knollwood Estates, Virginia
Sunrise: 05:53 AM
Sunset: 8:39 PM
Civil Sunrise:05:21 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:42 AM
Nautical Sunset: 9:50 PM
Astro Sunrise: 03:57 AM
Astro Sunset: 10:35 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.