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Cannon, Virginia Weather Forecast
Cannon, Virginia Weather
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Weather Forecast for Cannon, Virginia : Fairfax County
Issued: 6:53 am EST Dec 15, 2025 Latitude: 38.7942802 Longitude: -77.0974786 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on Today Cloudy on Tonight Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday 30% chance of rain on Sunday
High: 31°F Low: 21°F High: 39°F High: 50°F High: 55°F High: 46°F High: 44°F High: 52°F
Low: 28°F Low: 31°F Low: 39°F Low: 26°F Low: 38°F  
Mostly Sunny Cloudy Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
WASHINGTON - (KDCA)
19°
Mostly Clear
as of 7:52 AM EST
Rel. Humidity: 57%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.48 in.
Flight Rule: VFR
Wind Data
7 MPH
280° West
Cloud Level(s): Few at 25000ft
Current Conditions at
FORT BELVOIR - (KDAA)
19°
Feels like 7°F
Clear
as of 7:55 AM EST
Rel. Humidity: 52%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.46 in.
Flight Rule: VFR
Wind Data
12 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
ANDREWS AFB - (KADW)
19°
Feels like 4°F
Clear
as of 7:55 AM EST
Rel. Humidity: 52%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 23 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
WASH-DULLES - (KIAD)
18°
Feels like 4°F
Mostly Cloudy
as of 7:52 AM EST
Rel. Humidity: 57%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.46 in.
Flight Rule: VFR
Wind Data
12 MPH
310° Northwest
Cloud Level(s): Scattered at 14000ft, Broken at 25000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 31. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 21. South wind around 6 mph becoming calm after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 39. Light and variable wind.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 28. South wind 3 to 5 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 50. Southwest wind around 6 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 31.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 55.
90% chance of rain Thursday Night Thursday Night... Rain. Low around 39. Chance of precipitation is 90%.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 46.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 26.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 44.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 38.
30% chance of rain Sunday Sunday... A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Cannon, Virginia
Sunrise: 07:20 AM
Sunset: 4:48 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:23 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.