I-66 weather conditions near Fairfax, Virginia
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Shallow Fog 45°F 2024-05-13T05:52:00-04:00 
Today 2024-05-13, Sunny. Sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the morning.
Tonight 2024-05-13, Partly Cloudy. Partly cloudy, with a low around 59. South wind around 8 mph.
Tuesday 2024-05-14, Showers. Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2024-05-14, Showers. Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Southeast wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday 2024-05-15, Showers Likely. Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Northeast wind 5 to 9 mph. Chance of precipitation is 70%.Wednesday Night 2024-05-15, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday 2024-05-16, Partly Sunny then Chance Showers. A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night 2024-05-16, Chance Showers then Mostly Cloudy. A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday 2024-05-17, Mostly Cloudy then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Friday Night 2024-05-17, Showers Likely. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.Saturday 2024-05-18, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Saturday Night 2024-05-18, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.