Current conditions at
Fort Belvoir (KDAA)
Lat: 38.72°NLon: 77.18°WElev: 69ft.
Fair
55°F
13°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1013.4 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 2:55 am EDT |
Extended Forecast for
Fairfax VA
Overnight

Low: 58 °F
Mostly Cloudy
Wednesday

High: 79 °F
Chance Rain
Wednesday Night
Low: 45 °F
Chance
Showers then
ShowersThursday
High: 47 °F
Showers and
Breezy then
Chance
ShowersThursday Night

Low: 33 °F
Mostly Clear
Friday
High: 55 °F
Partly Sunny
then Partly
Sunny and
BreezyFriday Night

Low: 40 °F
Partly Cloudy
Saturday

High: 55 °F
Mostly Sunny
Saturday Night

Low: 39 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 58. South wind around 7 mph.
Wednesday
A chance of rain after 1pm. Partly sunny, with a high near 79. South wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and thunderstorms before 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers and possibly a thunderstorm after 5am. Low around 45. Southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 8am. High near 47. Breezy, with a northwest wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly clear, with a low around 33. Northwest wind 3 to 8 mph.
Friday
Partly sunny, with a high near 55. Breezy.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Rain. Low around 50. Chance of precipitation is 80%.
Monday
Rain. High near 62. Chance of precipitation is 80%.
Monday Night
A chance of rain. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 40.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fairfax VA
38.85°N 77.29°W (Elev. 400 ft)
38.85°N 77.29°W (Elev. 400 ft)
1:53 am EDT Mar 11, 2026
3am EDT Mar 11, 2026-6pm EDT Mar 17, 2026


