I-66 weather conditions near Arlington, Virginia
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 67°F 2025-08-19T08:52:00-04:00 
Today 2025-08-19, Chance Showers. A chance of showers after 2pm. Cloudy, with a high near 73. East wind around 9 mph. Chance of precipitation is 30%.
Tonight 2025-08-19, Slight Chance Showers and Patchy Fog. A slight chance of showers before 3am. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 69. East wind 5 to 7 mph. Chance of precipitation is 20%.Wednesday 2025-08-20, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Southeast wind around 6 mph. Chance of precipitation is 40%.
Wednesday Night 2025-08-20, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Northeast wind around 6 mph. Chance of precipitation is 30%.
- Thursday 2025-08-21, Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night 2025-08-21, Chance Showers then Mostly Clear. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday 2025-08-22, Sunny. Sunny, with a high near 82.
Friday Night 2025-08-22, Mostly Clear. Mostly clear, with a low around 64.
Saturday 2025-08-23, Mostly Sunny. Mostly sunny, with a high near 84.
Saturday Night 2025-08-23, Partly Cloudy. Partly cloudy, with a low around 69.Sunday 2025-08-24, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night 2025-08-24, Chance Showers then Partly Cloudy. A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
- Monday 2025-08-25, Sunny. Sunny, with a high near 83.