I-66 weather conditions near Merrifield, Virginia

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 62°F 2026-05-05T02:52:00-04:00
• Overnight 2026-05-05, Partly Cloudy. Partly cloudy, with a low around 58. South wind around 9 mph, with gusts as high as 18 mph.
• Tuesday 2026-05-05, Sunny. Sunny, with a high near 84. Southwest wind 9 to 15 mph, with gusts as high as 32 mph.
• Tuesday Night 2026-05-05, Increasing Clouds. Increasing clouds, with a low around 63. South wind around 14 mph, with gusts as high as 24 mph.
• Wednesday 2026-05-06, Showers. Showers, with thunderstorms also possible after 5pm. High near 75. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
• Wednesday Night 2026-05-06, Showers. Showers and possibly a thunderstorm. Low around 54. Southwest wind around 9 mph becoming northwest after midnight. Chance of precipitation is 80%.
• Thursday 2026-05-07, Showers Likely. Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
• Thursday Night 2026-05-07, Chance Showers. A chance of showers before 2am. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
• Friday 2026-05-08, Sunny. Sunny, with a high near 69.
• Friday Night 2026-05-08, Partly Cloudy. Partly cloudy, with a low around 51.
• Saturday 2026-05-09, Chance Showers. A chance of showers after 8am. Partly sunny, with a high near 72. Chance of precipitation is 50%.
• Saturday Night 2026-05-09, Mostly Clear. Mostly clear, with a low around 51.
• Sunday 2026-05-10, Sunny. Sunny, with a high near 78.
• Sunday Night 2026-05-10, Chance Showers. A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
• Monday 2026-05-11, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.