Crystal Spring Knolls, Virginia Weather
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Weather Forecast for Crystal Spring Knolls, Virginia : Arlington County
Issued: 4:30 am EDT Jul 1, 2025 Latitude: 38.9034449 Longitude: -77.1049785 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
60% chance of thunderstorms on Today 90% chance of thunderstorms on Tonight 60% chance of thunderstorms on Wednesday Sunny on Thursday Sunny on Independence Day Mostly Sunny on Saturday Mostly Sunny on Sunday 30% chance of thunderstorms on Monday
High: 90°F Low: 71°F High: 84°F High: 88°F High: 87°F High: 89°F High: 91°F High: 94°F
Low: 69°F Low: 69°F Low: 68°F Low: 71°F Low: 74°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Mostly Sunny Thunderstorms
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Current Conditions at
WASHINGTON - (KDCA)
81°
Mostly Cloudy
as of 5:52 AM EDST
Rel. Humidity: 78%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Few at 13000ft, Few at 15000ft, Broken at 25000ft
Current Conditions at
FORT BELVOIR - (KDAA)
81°
Clear
as of 5:55 AM EDST
Rel. Humidity: 78%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ANDREWS AFB - (KADW)
79°
Clear
as of 5:55 AM EDST
Rel. Humidity: 83%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
WASH-DULLES - (KIAD)
79°
Partly Cloudy
as of 5:52 AM EDST
Rel. Humidity: 83%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Scattered at 14000ft, Scattered at 25000ft
60% chance of thunderstorms Today Today... Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 90. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
90% chance of thunderstorms Tonight Tonight... Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
60% chance of thunderstorms Wednesday Wednesday... Showers likely, with thunderstorms also possible after 8am. Partly sunny, with a high near 84. North wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 69. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 88. Northwest wind 5 to 7 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 69.
Sunny on Independence Day Independence Day... Sunny, with a high near 87.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 68.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 89.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 71.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 91.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 74.
30% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Crystal Spring Knolls, Virginia
Sunrise: 05:47 AM
Sunset: 8:38 PM
Civil Sunrise:05:15 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:35 AM
Nautical Sunset: 9:50 PM
Astro Sunrise: 03:49 AM
Astro Sunset: 10:36 PM
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