I-66 weather conditions near Washington, District of Columbia
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 44°F 2025-12-01T15:52:00-05:00 Tonight 2025-12-01, Mostly Cloudy then Rain/Sleet Likely. Rain likely, possibly mixed with sleet, mainly after 5am. Mostly cloudy, with a low around 32. Light east wind. Chance of precipitation is 60%. Little or no sleet accumulation expected.
Tuesday 2025-12-02, Rain/Sleet then Rain. Rain, possibly mixed with sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 40. Light and variable wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Tuesday Night 2025-12-02, Mostly Clear. Mostly clear, with a low around 28. Northwest wind 8 to 10 mph.
Wednesday 2025-12-03, Sunny. Sunny, with a high near 41. Northwest wind 3 to 6 mph.- Wednesday Night 2025-12-03, Mostly Clear. Mostly clear, with a low around 28. Light south wind.
Thursday 2025-12-04, Partly Sunny. Partly sunny, with a high near 43.
Thursday Night 2025-12-04, Partly Cloudy. Partly cloudy, with a low around 21.- Friday 2025-12-05, Partly Sunny. Partly sunny, with a high near 35.
Friday Night 2025-12-05, Chance Snow. A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.- Saturday 2025-12-06, Partly Sunny. Partly sunny, with a high near 43.
Saturday Night 2025-12-06, Mostly Cloudy. Mostly cloudy, with a low around 30.- Sunday 2025-12-07, Partly Sunny. Partly sunny, with a high near 43.
- Sunday Night 2025-12-07, Mostly Cloudy. Mostly cloudy, with a low around 26.
- Monday 2025-12-08, Mostly Sunny. Mostly sunny, with a high near 37.