I-66 weather conditions near Washington, District of Columbia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 59°F 2025-09-01T05:52:00-04:00
• Labor Day 2025-09-01, Sunny. Sunny, with a high near 79. Light and variable wind becoming northeast 5 to 10 mph in the morning.
• Tonight 2025-09-01, Mostly Clear. Mostly clear, with a low around 58. East wind around 6 mph becoming calm after midnight.
• Tuesday 2025-09-02, Mostly Sunny. Mostly sunny, with a high near 78. North wind 3 to 6 mph.
• Tuesday Night 2025-09-02, Partly Cloudy. Partly cloudy, with a low around 58. Light and variable wind.
• Wednesday 2025-09-03, Mostly Sunny. Mostly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
• Wednesday Night 2025-09-03, Partly Cloudy. Partly cloudy, with a low around 63.
• Thursday 2025-09-04, Mostly Sunny. Mostly sunny, with a high near 83.
• Thursday Night 2025-09-04, Chance Showers. A chance of showers after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
• Friday 2025-09-05, Mostly Sunny. Mostly sunny, with a high near 81.
• Friday Night 2025-09-05, Mostly Clear. Mostly clear, with a low around 63.
• Saturday 2025-09-06, Mostly Sunny. Mostly sunny, with a high near 82.
• Saturday Night 2025-09-06, Partly Cloudy. Partly cloudy, with a low around 59.
• Sunday 2025-09-07, Sunny. Sunny, with a high near 77.