I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 48°F 2025-11-16T21:52:00-05:00
• Tonight 2025-11-16, Mostly Clear. Mostly clear, with a low around 37. West wind 9 to 13 mph, with gusts as high as 21 mph.
• Monday 2025-11-17, Sunny. Sunny, with a high near 50. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.
• Monday Night 2025-11-17, Mostly Clear. Mostly clear, with a low around 32. Northwest wind 3 to 7 mph.
• Tuesday 2025-11-18, Mostly Sunny then Chance Rain. A chance of rain after 1pm. Increasing clouds, with a high near 48. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.
• Tuesday Night 2025-11-18, Rain. Rain. Low around 40. Light and variable wind. Chance of precipitation is 80%.
• Wednesday 2025-11-19, Mostly Cloudy. Mostly cloudy, with a high near 52.
• Wednesday Night 2025-11-19, Mostly Cloudy. Mostly cloudy, with a low around 43.
• Thursday 2025-11-20, Mostly Cloudy. Mostly cloudy, with a high near 58.
• 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 40%.
• Friday 2025-11-21, Chance Rain. A chance of rain. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
• Friday Night 2025-11-21, Chance Rain. A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
• Saturday 2025-11-22, Chance Rain. A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 30%.
• Saturday Night 2025-11-22, Chance Rain. A chance of rain. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
• Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 59.