I-66 weather conditions near Falls Church, Virginia
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 78°F 2025-07-08T21:52:00-04:00
Tonight 2025-07-08, Chance T-storms. A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 73. Light southwest wind. Chance of precipitation is 30%.
Wednesday 2025-07-09, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night 2025-07-09, T-storms Likely then Chance Showers. Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-07-10, Chance Showers then T-storms Likely. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 87. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-07-10, Showers Likely. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday 2025-07-11, Slight Chance T-storms then Showers Likely. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night 2025-07-11, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Saturday Night 2025-07-12, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday 2025-07-13, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Sunday Night 2025-07-13, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday 2025-07-14, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Tuesday 2025-07-15, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Current condition: Mostly Cloudy 78°F 2025-07-08T21:52:00-04:00 
Tonight 2025-07-08, Chance T-storms. A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 73. Light southwest wind. Chance of precipitation is 30%.Wednesday 2025-07-09, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night 2025-07-09, T-storms Likely then Chance Showers. Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-07-10, Chance Showers then T-storms Likely. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 87. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-07-10, Showers Likely. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.Friday 2025-07-11, Slight Chance T-storms then Showers Likely. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night 2025-07-11, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Saturday Night 2025-07-12, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Monday 2025-07-14, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday 2025-07-15, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.