| NWS Forecast for: Fairfax VA Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 7:53 pm EDT Aug 11, 2026 | |
| Tonight: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Mostly cloudy, with a low around 21. West wind 5 to 10 km/h. Chance of precipitation is 40%. Wednesday: Partly sunny, with a high near 30. Northwest wind 8 to 11 km/h. Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then becoming clear toward daybreak, with a low around 21. Calm wind. Chance of precipitation is 20%. Thursday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 31. West wind 5 to 11 km/h. Chance of precipitation is 40%. Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. Friday: A chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 29. Chance of precipitation is 40%. Friday Night: Partly cloudy, with a low around 18. Saturday: Mostly sunny, with a high near 28. Saturday Night: Partly cloudy, with a low around 19. Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 30. Chance of precipitation is 30%. Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 50%. Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%. Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 21. Chance of precipitation is 30%. Tuesday: Sunny, with a high near 29. | |
| Fairfax VA 38.85°N 77.29°W (Elev. 400 m) | |
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