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 33°F 2025-12-11T20:52:00-05:00 - Tonight 2025-12-11, Mostly Cloudy. Mostly cloudy, with a low around 26. West wind 3 to 6 mph.
Friday 2025-12-12, Partly Sunny. Partly sunny, with a high near 38. Southwest wind 3 to 6 mph.- Friday Night 2025-12-12, Mostly Cloudy. Mostly cloudy, with a low around 26. Light south wind.
- Saturday 2025-12-13, Mostly Cloudy. Mostly cloudy, with a high near 45. Southwest wind 3 to 7 mph.
Saturday Night 2025-12-13, Chance Rain/Snow then Snow. A chance of rain and snow before 10pm, then snow. Low around 25. North wind 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday 2025-12-14, Chance Snow. A chance of snow before 1pm. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Sunday Night 2025-12-14, Mostly Clear. Mostly clear, with a low around 17.
Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 31.
Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 20.- Tuesday 2025-12-16, Mostly Sunny. Mostly sunny, with a high near 38.
- Tuesday Night 2025-12-16, Partly Cloudy. Partly cloudy, with a low around 25.
- Wednesday 2025-12-17, Partly Sunny. Partly sunny, with a high near 46.
- Wednesday Night 2025-12-17, Mostly Cloudy. Mostly cloudy, with a low around 35.
Thursday 2025-12-18, Mostly Cloudy then Chance Rain. A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.