I-66 weather conditions near Potomac, Maryland

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 63°F 2025-09-11T03:56:00-04:00
• Overnight 2025-09-11, Chance Showers. A chance of showers before 5am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
• Thursday 2025-09-11, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
• Thursday Night 2025-09-11, Mostly Clear. Mostly clear, with a low around 57. Light north wind.
• Friday 2025-09-12, Sunny. Sunny, with a high near 81. North wind around 6 mph becoming east in the afternoon.
• Friday Night 2025-09-12, Mostly Clear. Mostly clear, with a low around 59. Light and variable wind.
• Saturday 2025-09-13, Sunny. Sunny, with a high near 83.
• Saturday Night 2025-09-13, Partly Cloudy. Partly cloudy, with a low around 61.
• Sunday 2025-09-14, Mostly Sunny. Mostly sunny, with a high near 85.
• Sunday Night 2025-09-14, Partly Cloudy. Partly cloudy, with a low around 62.
• Monday 2025-09-15, Mostly Sunny. Mostly sunny, with a high near 81.
• Monday Night 2025-09-15, Partly Cloudy. Partly cloudy, with a low around 59.
• Tuesday 2025-09-16, Mostly Sunny. Mostly sunny, with a high near 80.
• Tuesday Night 2025-09-16, Mostly Clear. Mostly clear, with a low around 58.
• Wednesday 2025-09-17, Sunny. Sunny, with a high near 81.