I-66 weather conditions near Chevy Chase, Maryland

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 52°F 2025-11-21T21:52:00-05:00
• Tonight 2025-11-21, Rain Likely then Rain and Patchy Fog. Rain, mainly before 5am. Patchy fog after 1am. Low around 48. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
• Saturday 2025-11-22, Chance Showers and Patchy Fog then Partly Sunny. A chance of showers, mainly before 10am. Patchy fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. North wind around 7 mph. Chance of precipitation is 40%.
• Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 34. Light north wind.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the morning.
• Sunday Night 2025-11-23, Mostly Clear. Mostly clear, with a low around 36. Northwest wind around 6 mph.
• Monday 2025-11-24, Sunny. Sunny, with a high near 56.
• Monday Night 2025-11-24, Mostly Cloudy. Mostly cloudy, with a low around 39.
• Tuesday 2025-11-25, Mostly Cloudy then Chance Rain. A chance of rain after 1pm. Cloudy, with a high near 55. Chance of precipitation is 40%.
• Tuesday Night 2025-11-25, Chance Rain. A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
• Wednesday 2025-11-26, Chance Rain. A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 30%.
• Wednesday Night 2025-11-26, Chance Rain. A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
• Thanksgiving Day 2025-11-27, Mostly Sunny. Mostly sunny, with a high near 50.
• Thursday Night 2025-11-27, Partly Cloudy. Partly cloudy, with a low around 31.
• Friday 2025-11-28, Mostly Sunny. Mostly sunny, with a high near 44.