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: Thunderstorm 72°F 2025-06-15T00:52:00-04:00 
Overnight 2025-06-15, Chance Showers. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Cloudy, with a low around 65. East wind around 8 mph. Chance of precipitation is 50%.Sunday 2025-06-15, Slight Chance Showers then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 72. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-06-15, Showers. Showers and thunderstorms before 5am, then showers likely. Low around 64. East wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday 2025-06-16, Chance Showers. A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 72. Northeast wind around 7 mph. Chance of precipitation is 50%.Monday Night 2025-06-16, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday 2025-06-17, Cloudy then Chance Showers. A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Tuesday Night 2025-06-17, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.Wednesday 2025-06-18, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night 2025-06-18, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Juneteenth 2025-06-19, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Thursday Night 2025-06-19, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday 2025-06-20, Sunny. Sunny, with a high near 87.
Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 68.- Saturday 2025-06-21, Sunny. Sunny, with a high near 90.