I-66 weather conditions near Fairfax, Virginia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 49°F 2025-11-17T15:52:00-05:00
• Tonight 2025-11-17, Mostly Clear. Mostly clear, with a low around 32. Northwest wind 5 to 9 mph becoming light west after midnight.
• Tuesday 2025-11-18, Partly Sunny then Chance Rain. A chance of rain after 1pm. Increasing clouds, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.
• Tuesday Night 2025-11-18, Rain. Rain, mainly before 1am. Low around 41. Southeast wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
• Wednesday 2025-11-19, Mostly Cloudy. Mostly cloudy, with a high near 53. North wind 3 to 6 mph.
• Wednesday Night 2025-11-19, Mostly Cloudy. Mostly cloudy, with a low around 42. Light northeast wind.
• Thursday 2025-11-20, Partly Sunny. Partly sunny, with a high near 56.
• Thursday Night 2025-11-20, Mostly Cloudy then Chance Rain. A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
• Friday 2025-11-21, Chance Rain. A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
• Friday Night 2025-11-21, Rain Likely. Rain likely, mainly after 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
• Saturday 2025-11-22, Chance Rain. A chance of rain before 1pm. Partly sunny, with a high near 57. Chance of precipitation is 40%.
• Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 38.
• Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 55.
• Sunday Night 2025-11-23, Partly Cloudy. Partly cloudy, with a low around 38.
• Monday 2025-11-24, Mostly Sunny. Mostly sunny, with a high near 60.