I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 32°F 2025-12-08T15:52:00-05:00
• This Afternoon 2025-12-08, Slight Chance Snow. A slight chance of snow. Cloudy, with a steady temperature around 31. Northeast wind around 9 mph. Chance of precipitation is 20%.
• Tonight 2025-12-08, Gradual Clearing. Cloudy during the early evening, then gradual clearing, with a low around 20. North wind around 6 mph becoming calm in the evening.
• Tuesday 2025-12-09, Sunny. Sunny, with a high near 37. Calm wind becoming south 5 to 9 mph in the afternoon.
• Tuesday Night 2025-12-09, Mostly Cloudy. Mostly cloudy, with a low around 30. South wind 7 to 9 mph.
• Wednesday 2025-12-10, Slight Chance Rain. A slight chance of rain after 10am. Mostly cloudy, with a high near 48. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
• Wednesday Night 2025-12-10, Partly Cloudy. Partly cloudy, with a low around 34.
• Thursday 2025-12-11, Mostly Sunny. Mostly sunny, with a high near 44.
• Thursday Night 2025-12-11, Mostly Cloudy. Mostly cloudy, with a low around 27.
• Friday 2025-12-12, Partly Sunny. Partly sunny, with a high near 41.
• Friday Night 2025-12-12, Chance Snow. A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
• Saturday 2025-12-13, Mostly Sunny and Breezy. Mostly sunny, with a high near 40. Breezy.
• Saturday Night 2025-12-13, Partly Cloudy. Partly cloudy, with a low around 23.
• Sunday 2025-12-14, Mostly Sunny. Mostly sunny, with a high near 35.
• Sunday Night 2025-12-14, Mostly Clear. Mostly clear, with a low around 20.
• Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 36.