I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 52°F 2025-11-15T09:52:00-05:00
• Today 2025-11-15, Scattered Sprinkles. Scattered sprinkles before 2pm, then scattered sprinkles after 4pm. Cloudy, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.
• Tonight 2025-11-15, Scattered Showers. Scattered sprinkles with isolated showers before midnight, then scattered showers between midnight and 2am, then scattered sprinkles after 2am. Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
• Sunday 2025-11-16, Sunny and Breezy. Sunny, with a high near 62. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 43 mph.
• Sunday Night 2025-11-16, Mostly Clear. Mostly clear, with a low around 38. Northwest wind 9 to 14 mph, with gusts as high as 31 mph.
• Monday 2025-11-17, Sunny. Sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.
• Monday Night 2025-11-17, Mostly Clear. Mostly clear, with a low around 34.
• Tuesday 2025-11-18, Partly Sunny then Chance Rain. A chance of rain after 1pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.
• Tuesday Night 2025-11-18, Chance Rain. A chance of rain before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
• Wednesday 2025-11-19, Partly Sunny. Partly sunny, with a high near 53.
• Wednesday Night 2025-11-19, Mostly Cloudy. Mostly cloudy, with a low around 40.
• Thursday 2025-11-20, Partly Sunny. Partly sunny, with a high near 57.
• Thursday Night 2025-11-20, Chance Rain. A chance of rain. 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 64. Chance of precipitation is 30%.