I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 19°F 2025-12-14T19:52:00-05:00
• Tonight 2025-12-14, Mostly Clear and Blustery then Mostly Clear. Mostly clear, with a low around 17. Blustery, with a northwest wind 14 to 21 mph, with gusts as high as 37 mph.
• Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 31. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.
• Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 20. South wind around 5 mph becoming light and variable after midnight.
• Tuesday 2025-12-16, Mostly Sunny. Mostly sunny, with a high near 38. Light and variable wind.
• Tuesday Night 2025-12-16, Partly Cloudy. Partly cloudy, with a low around 27. Light south wind.
• Wednesday 2025-12-17, Partly Sunny. Partly sunny, with a high near 48.
• 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 55.
• Thursday Night 2025-12-18, Rain and Breezy. Rain. Low around 38. Breezy. Chance of precipitation is 80%.
• Friday 2025-12-19, Mostly Sunny and Breezy. Mostly sunny, with a high near 49. Breezy.
• Friday Night 2025-12-19, Partly Cloudy. Partly cloudy, with a low around 26.
• Saturday 2025-12-20, Partly Sunny. Partly sunny, with a high near 43.
• Saturday Night 2025-12-20, Mostly Cloudy. Mostly cloudy, with a low around 37.
• Sunday 2025-12-21, Partly Sunny. Partly sunny, with a high near 52.