Merrifield, Virginia Weather
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Weather Forecast for Merrifield, Virginia : Fairfax County
Issued: 1:30 am EDT May 12, 2025 Latitude: 38.8742786 Longitude: -77.2269262 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
30% chance of thunderstorms on Today 80% chance of thunderstorms on Tonight 100% chance of thunderstorms on Tuesday 90% chance of thunderstorms on Wednesday 40% chance of on Thursday 50% chance of on Friday 50% chance of on Saturday Mostly Sunny on Sunday
High: 78°F Low: 63°F High: 69°F High: 74°F High: 80°F High: 86°F High: 84°F High: 81°F
Low: 64°F Low: 63°F Low: 67°F Low: 66°F Low: 64°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Partly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
WASHINGTON - (KDCA)
63°
Partly Cloudy
as of 3:52 AM EDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 15000ft, Scattered at 24000ft
Current Conditions at
FORT BELVOIR - (KDAA)
54°
Clear
as of 3:55 AM EDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WASH-DULLES - (KIAD)
54°
Mostly Clear
as of 3:52 AM EDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 25000ft
Current Conditions at
MANASSAS - (KHEF)
54°
Clear
as of 3:56 AM EDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
30% chance of thunderstorms Today Today... A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 78. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, then showers after 11pm. Low around 63. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
100% chance of thunderstorms Tuesday Tuesday... Showers, with thunderstorms also possible after 2pm. High near 69. Southeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
90% chance of thunderstorms Tuesday Night Tuesday Night... Showers and possibly a thunderstorm. Low around 64. East wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
90% chance of thunderstorms Wednesday Wednesday... Showers likely, then showers and possibly a thunderstorm after 2pm. High near 74. East wind around 7 mph. Chance of precipitation is 90%.
80% chance of thunderstorms Wednesday Night Wednesday Night... Showers and possibly a thunderstorm, mainly before 2am, then a slight chance of showers and thunderstorms after 2am. Low around 63. Chance of precipitation is 80%.
40% chance of Thursday Thursday... A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
30% chance of rain Thursday Night Thursday Night... A chance of showers before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
50% chance of Friday Friday... A chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
50% chance of Saturday Saturday... A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 64.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 81.
Current Radar Image


Sun Almanac for Merrifield, Virginia
Sunrise: 05:59 AM
Sunset: 8:12 PM
Civil Sunrise:05:29 AM
Civil Sunset: 8:42 PM
Nautical Sunrise: 04:52 AM
Nautical Sunset: 9:18 PM
Astro Sunrise: 04:12 AM
Astro Sunset: 9:58 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.