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: Overcast 66°F 2025-06-16T12:52:00-04:00 
This Afternoon 2025-06-16, Scattered Showers. Scattered showers, with thunderstorms also possible after 3pm. Cloudy, with a high near 70. Northeast wind around 7 mph. Chance of precipitation is 40%.
Tonight 2025-06-16, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind 3 to 5 mph. Chance of precipitation is 40%.Tuesday 2025-06-17, Chance Showers then Showers Likely. A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. South wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-06-17, Showers Likely. Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 71. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.Wednesday 2025-06-18, Chance Showers then Chance T-storms. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. West wind around 7 mph. Chance of precipitation is 40%.
Wednesday Night 2025-06-18, Chance T-storms then Mostly Clear. A chance of thunderstorms before 8pm. Mostly clear, with a low around 74. 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. Chance of precipitation is 60%.
Thursday Night 2025-06-19, Showers Likely then Mostly Clear. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday 2025-06-20, Sunny. Sunny, with a high near 87.
Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 65.- Saturday 2025-06-21, Sunny. Sunny, with a high near 89.
Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 70.
Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 95.