I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 59°F 2025-09-08T03:52:00-04:00
• Today 2025-09-08, Sunny. Sunny, with a high near 76. Northeast wind 5 to 7 mph.
• Tonight 2025-09-08, Mostly Clear. Mostly clear, with a low around 54. Light northeast wind.
• Tuesday 2025-09-09, Sunny. Sunny, with a high near 76. East wind 5 to 8 mph.
• Tuesday Night 2025-09-09, Partly Cloudy. Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
• Wednesday 2025-09-10, Partly Sunny. Partly sunny, with a high near 77. Northeast wind around 6 mph.
• Wednesday Night 2025-09-10, Partly Cloudy. Partly cloudy, with a low around 56.
• Thursday 2025-09-11, Sunny. Sunny, with a high near 83.
• Thursday Night 2025-09-11, Mostly Clear. Mostly clear, with a low around 60.
• Friday 2025-09-12, Sunny. Sunny, with a high near 81.
• Friday Night 2025-09-12, Mostly Clear. Mostly clear, with a low around 58.
• Saturday 2025-09-13, Sunny. Sunny, with a high near 79.
• 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 82.