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Old Courthouse, Virginia Weather Forecast
Old Courthouse, Virginia Weather
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Weather Forecast for Old Courthouse, Virginia : Fairfax County
Issued: 12:29 pm EST Nov 4, 2025 Latitude: 38.9140001 Longitude: -77.2377594 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on This Afternoon Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday Partly Sunny on Friday Mostly Sunny on Saturday 40% chance of rain on Sunday Mostly Sunny on Monday
High: 61°F Low: 40°F High: 70°F High: 57°F High: 61°F High: 68°F High: 64°F High: 48°F
Low: 44°F Low: 36°F Low: 52°F Low: 46°F Low: 39°F  
Sunny Mostly Clear Sunny Sunny Partly Sunny Mostly Sunny Rain Mostly Sunny
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Current Conditions at
FORT BELVOIR - (KDAA)
64°
Clear
as of 1:13 PM EST
Rel. Humidity: 20%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 21 MPH
310° Northwest
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 61. West wind around 11 mph, with gusts as high as 22 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.

Sunny on Wednesday Wednesday... Sunny, with a high near 70. Southwest wind 7 to 16 mph, with gusts as high as 31 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 44. Southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 43 mph.

Sunny on Thursday Thursday... Sunny, with a high near 57. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 36.

Partly Sunny on Friday Friday... Partly sunny, with a high near 61.

70% chance of rain Friday Night Friday Night... Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 68.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 46.

40% chance of rain Sunday Sunday... A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 40%.

30% chance of rain Sunday Night Sunday Night... A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 48.

Sun Almanac for Old Courthouse, Virginia
Sunrise: 06:40 AM
Sunset: 5:05 PM
Civil Sunrise:06:12 AM
Civil Sunset: 5:33 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:09 AM
Astro Sunset: 6:36 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.