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: Mostly Cloudy 80°F 2025-06-17T14:52:00-04:00
This Afternoon 2025-06-17, Chance Showers. A chance of showers after 4pm. Partly sunny, with a high near 84. South wind around 7 mph. Chance of precipitation is 30%.
Tonight 2025-06-17, Heavy Rain then Chance T-storms. Showers and thunderstorms likely before 2am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday 2025-06-18, Mostly Sunny then Showers Likely. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-18, Chance T-storms then Mostly Clear. A chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.
Juneteenth 2025-06-19, Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 93. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night 2025-06-19, Showers Likely then Chance Showers. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday 2025-06-20, Sunny. Sunny, with a high near 86.
Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 66.
Saturday 2025-06-21, Sunny. Sunny, with a high near 91.
Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 71.
Sunday 2025-06-22, Sunny. Sunny, with a high near 96.
Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 75.
Monday 2025-06-23, Hot. Sunny and hot, with a high near 98.
Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 77.
Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 99.