I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Light Rain 53°F 2025-11-26T01:52:00-05:00
• Overnight 2025-11-26, Showers Likely and Areas Fog. Showers likely. Areas of fog. Otherwise, cloudy, with a steady temperature around 54. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
• Wednesday 2025-11-26, Isolated Showers and Areas Fog. Isolated showers before 1pm. Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
• Wednesday Night 2025-11-26, Increasing Clouds. Increasing clouds, with a low around 38. West wind 9 to 16 mph, with gusts as high as 38 mph.
• Thanksgiving Day 2025-11-27, Partly Sunny. Partly sunny, with a high near 46. West wind 8 to 15 mph, with gusts as high as 26 mph.
• Thursday Night 2025-11-27, Mostly Clear. Mostly clear, with a low around 30. West wind 9 to 11 mph, with gusts as high as 20 mph.
• Friday 2025-11-28, Sunny. Sunny, with a high near 42.
• Friday Night 2025-11-28, Mostly Clear. Mostly clear, with a low around 27.
• Saturday 2025-11-29, Sunny. Sunny, with a high near 43.
• Saturday Night 2025-11-29, Mostly Cloudy. Mostly cloudy, with a low around 30.
• Sunday 2025-11-30, Mostly Cloudy. Mostly cloudy, with a high near 49.
• Sunday Night 2025-11-30, Chance Rain. A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 50%.
• Monday 2025-12-01, Chance Rain. A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
• Monday Night 2025-12-01, Chance Rain. A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
• Tuesday 2025-12-02, Rain Likely. Rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.