I-66 weather conditions near Washington, District of Columbia
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 38°F 2025-11-30T03:52:00-05:00 Today 2025-11-30, Rain/Snow Likely then Rain Likely. Rain and snow likely, becoming all rain after noon, then gradually ending. Mostly cloudy, with a high near 45. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight 2025-11-30, Decreasing Clouds. Mostly cloudy, then gradually becoming clear, with a low around 31. Southwest wind 6 to 10 mph becoming northwest in the evening. Winds could gust as high as 18 mph.
Monday 2025-12-01, Sunny. Sunny, with a high near 45. North wind 5 to 10 mph.Monday Night 2025-12-01, Mostly Cloudy then Rain/Snow Likely. Snow likely after 1am, mixing with rain after 4am. Increasing clouds, with a low around 31. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday 2025-12-02, Rain/Snow then Rain. Rain and snow, becoming all rain after 10am. High near 42. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night 2025-12-02, Slight Chance Rain. A slight chance of rain before 1am. Partly cloudy, with a low around 27. Chance of precipitation is 20%.- Wednesday 2025-12-03, Sunny. Sunny, with a high near 41.
- Wednesday Night 2025-12-03, Partly Cloudy. Partly cloudy, with a low around 29.
Thursday 2025-12-04, Partly Sunny. Partly sunny, with a high near 47.- Thursday Night 2025-12-04, Partly Cloudy. Partly cloudy, with a low around 22.
- Friday 2025-12-05, Partly Sunny. Partly sunny, with a high near 36.
Friday Night 2025-12-05, Snow Likely then Wintry Mix Likely. Snow and freezing rain likely. Cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday 2025-12-06, Chance Rain. A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.