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Crystal Spring Knolls, Virginia Weather Forecast
Crystal Spring Knolls, Virginia Weather
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Weather Forecast for Crystal Spring Knolls, Virginia : Arlington County
Issued: 4:29 am EDT Oct 29, 2025 Latitude: 38.9034449 Longitude: -77.1049785 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
50% chance of rain on Today 100% chance of thunderstorms on Tonight 100% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Sunny on Tuesday
High: 56°F Low: 52°F High: 66°F High: 57°F High: 59°F High: 58°F High: 62°F High: 58°F
Low: 48°F Low: 44°F Low: 41°F Low: 41°F Low: 46°F  
Rain Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
WASHINGTON - (KDCA)
50°
Feels like 45°F
Mostly Clear
as of 4:52 AM EDST
Rel. Humidity: 66%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
12 MPH
030° Northeast
Cloud Level(s): Few at 7000ft
Current Conditions at
FORT BELVOIR - (KDAA)
52°
Mostly Cloudy
as of 4:55 AM EDST
Rel. Humidity: 62%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Few at 4200ft, Few at 5500ft, Broken at 7000ft
Current Conditions at
ANDREWS AFB - (KADW)
48°
Feels like 44°F
Partly Cloudy
as of 4:55 AM EDST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
9 MPH
030° Northeast
Cloud Level(s): Scattered at 3400ft
Current Conditions at
WASH-DULLES - (KIAD)
48°
Cloudy
as of 4:52 AM EDST
Rel. Humidity: 66%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
8 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 7500ft
50% chance of rain Today Today... Scattered showers, mainly between 11am and 4pm. Mostly cloudy, with a high near 56. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
100% chance of thunderstorms Tonight Tonight... Showers, with thunderstorms also possible after 5am. Low around 52. East wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
100% chance of thunderstorms Thursday Thursday... Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 66. East wind 13 to 15 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 48. West wind 8 to 13 mph, with gusts as high as 20 mph.
Sunny on Friday Friday... Sunny, with a high near 57. Breezy, with a west wind 15 to 22 mph, with gusts as high as 36 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 44.
Sunny on Saturday Saturday... Sunny, with a high near 59.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 41.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 58.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 41.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 62.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 46.
Sunny on Tuesday Tuesday... Sunny, with a high near 58.
Current Radar Image


Sun Almanac for Crystal Spring Knolls, Virginia
Sunrise: 07:33 AM
Sunset: 6:11 PM
Civil Sunrise:07:06 AM
Civil Sunset: 6:39 PM
Nautical Sunrise: 06:34 AM
Nautical Sunset: 7:10 PM
Astro Sunrise: 06:03 AM
Astro Sunset: 7:41 PM
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