I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 62°F 2025-09-08T23:52:00-04:00
• Overnight 2025-09-09, Mostly Clear. Mostly clear, with a low around 54. Calm wind.
• Tuesday 2025-09-09, Sunny. Sunny, with a high near 77. Northeast wind 6 to 9 mph.
• Tuesday Night 2025-09-09, Mostly Cloudy. Mostly cloudy, with a low around 59. Northeast wind around 6 mph.
• Wednesday 2025-09-10, Partly Sunny. Partly sunny, with a high near 73. North wind around 7 mph.
• Wednesday Night 2025-09-10, Partly Cloudy. Partly cloudy, with a low around 57. Light north wind.
• Thursday 2025-09-11, Mostly Sunny. Mostly sunny, with a high near 82.
• Thursday Night 2025-09-11, Mostly Clear. Mostly clear, with a low around 60.
• Friday 2025-09-12, Sunny. Sunny, with a high near 82.
• Friday Night 2025-09-12, Mostly Clear. Mostly clear, with a low around 59.
• Saturday 2025-09-13, Mostly Sunny. Mostly sunny, with a high near 80.
• Saturday Night 2025-09-13, Mostly Clear. Mostly clear, with a low around 58.
• Sunday 2025-09-14, Mostly Sunny. Mostly sunny, with a high near 80.
• Sunday Night 2025-09-14, Partly Cloudy. Partly cloudy, with a low around 61.
• Monday 2025-09-15, Mostly Sunny. Mostly sunny, with a high near 82.