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: A Few Clouds 30°F 2025-11-14T02:52:00-05:00 
Overnight 2025-11-14, Clear. Clear, with a low around 33. Light west wind.
Friday 2025-11-14, Increasing Clouds. Increasing clouds, with a high near 58. West wind 6 to 8 mph.
Friday Night 2025-11-14, Mostly Cloudy. Mostly cloudy, with a low around 44. Light and variable wind.Saturday 2025-11-15, Partly Sunny then Slight Chance Rain. A slight chance of rain after 1pm. Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night 2025-11-15, Chance Rain. A chance of rain. Mostly cloudy, with a low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday 2025-11-16, Sunny. Sunny, with a high near 61.- Sunday Night 2025-11-16, Mostly Clear. Mostly clear, with a low around 37.
- Monday 2025-11-17, Sunny. Sunny, with a high near 53.
Monday Night 2025-11-17, Partly Cloudy. Partly cloudy, with a low around 34.
Tuesday 2025-11-18, Chance Rain. A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Tuesday Night 2025-11-18, Chance Rain. A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.- Wednesday 2025-11-19, Mostly Sunny. Mostly sunny, with a high near 51.
- Wednesday Night 2025-11-19, Mostly Cloudy. Mostly cloudy, with a low around 34.
Thursday 2025-11-20, Partly Sunny. Partly sunny, with a high near 50.