I-66 weather conditions near Fairfax, Virginia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Mostly Cloudy 30°F 2025-12-10T03:52:00-05:00
• Today 2025-12-10, Chance Rain. A chance of rain, mainly between 11am and 4pm. Mostly cloudy, with a high near 45. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
• Tonight 2025-12-10, Mostly Clear. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 29. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
• Thursday 2025-12-11, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 37. West wind 11 to 16 mph, with gusts as high as 28 mph.
• Thursday Night 2025-12-11, Partly Cloudy. Partly cloudy, with a low around 25. West wind 5 to 9 mph.
• Friday 2025-12-12, Chance Snow. A chance of snow. Mostly cloudy, with a high near 37. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
• Friday Night 2025-12-12, Chance Snow. A chance of snow, mainly before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
• Saturday 2025-12-13, Partly Sunny. Partly sunny, with a high near 41.
• Saturday Night 2025-12-13, Mostly Cloudy then Chance Snow. A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
• Sunday 2025-12-14, Mostly Sunny. Mostly sunny, with a high near 34.
• Sunday Night 2025-12-14, Mostly Clear. Mostly clear, with a low around 17.
• Monday 2025-12-15, Sunny. Sunny, with a high near 31.
• Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 20.
• Tuesday 2025-12-16, Mostly Sunny. Mostly sunny, with a high near 38.