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 2025-07-13T00:52:00-04:00
Overnight 2025-07-13, Slight Chance T-storms. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 74. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday 2025-07-13, Chance T-storms. A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Southeast wind around 6 mph. Chance of precipitation is 30%.
Sunday Night 2025-07-13, Heavy Rain. A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday 2025-07-14, Chance T-storms then T-storms Likely. A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night 2025-07-14, T-storms Likely. Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 73. Light southeast wind. Chance of precipitation is 60%.
Tuesday 2025-07-15, Chance Showers then Showers Likely. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Tuesday Night 2025-07-15, Showers Likely then Chance Showers. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday 2025-07-16, Partly Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night 2025-07-16, 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 76. Chance of precipitation is 60%.
Thursday 2025-07-17, Partly Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night 2025-07-17, Showers Likely then Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday 2025-07-18, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night 2025-07-18, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday 2025-07-19, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Current condition: Mostly Cloudy 78°F 2025-07-13T00:52:00-04:00 
Overnight 2025-07-13, Slight Chance T-storms. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 74. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday 2025-07-13, Chance T-storms. A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Southeast wind around 6 mph. Chance of precipitation is 30%.
Sunday Night 2025-07-13, Heavy Rain. A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.Monday 2025-07-14, Chance T-storms then T-storms Likely. A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night 2025-07-14, T-storms Likely. Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 73. Light southeast wind. Chance of precipitation is 60%.Tuesday 2025-07-15, Chance Showers then Showers Likely. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Tuesday Night 2025-07-15, Showers Likely then Chance Showers. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday 2025-07-16, Partly Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night 2025-07-16, 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 76. Chance of precipitation is 60%.
Thursday Night 2025-07-17, Showers Likely then Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday 2025-07-18, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night 2025-07-18, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.Saturday 2025-07-19, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.