I-66 weather conditions near Arlington, Virginia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 39°F 2025-12-13T21:52:00-05:00
• Tonight 2025-12-13, Rain/Snow. Rain likely before 2am, then rain and snow between 2am and 4am, then snow after 4am. The snow could be heavy at times. Low around 26. Light north wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
• Sunday 2025-12-14, Chance Snow then Sunny. A chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 21 by 5pm. Northwest wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
• Sunday Night 2025-12-14, Mostly Clear. Mostly clear, with a low around 18. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.
• Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 30. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
• Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 21. South wind around 5 mph becoming light and variable after midnight.
• Tuesday 2025-12-16, Mostly Sunny. Mostly sunny, with a high near 36.
• Tuesday Night 2025-12-16, Partly Cloudy. Partly cloudy, with a low around 27.
• Wednesday 2025-12-17, Partly Sunny. Partly sunny, with a high near 49.
• Wednesday Night 2025-12-17, Partly Cloudy. Partly cloudy, with a low around 31.
• Thursday 2025-12-18, Partly Sunny. Partly sunny, with a high near 54.
• Thursday Night 2025-12-18, Showers Likely. Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
• Friday 2025-12-19, Mostly Sunny. Mostly sunny, with a high near 47.
• Friday Night 2025-12-19, Partly Cloudy. Partly cloudy, with a low around 29.
• Saturday 2025-12-20, Partly Sunny. Partly sunny, with a high near 46.