I-66 weather conditions near Rockville, Maryland

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 53°F 2025-11-21T12:56:00-05:00
• This Afternoon 2025-11-21, Cloudy. Cloudy, with a high near 55. Calm wind.
• Tonight 2025-11-21, Rain Likely then Rain. Rain, mainly after 11pm. Low around 48. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
• Saturday 2025-11-22, Chance Showers then Mostly Sunny. A chance of showers, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 6 to 8 mph. Chance of precipitation is 40%.
• Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 33. Light north wind.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the morning.
• Sunday Night 2025-11-23, Mostly Clear. Mostly clear, with a low around 35.
• Monday 2025-11-24, Sunny. Sunny, with a high near 55.
• Monday Night 2025-11-24, Mostly Cloudy. Mostly cloudy, with a low around 39.
• Tuesday 2025-11-25, Cloudy then Chance Rain. A chance of rain after 1pm. Cloudy, with a high near 55. Chance of precipitation is 40%.
• Tuesday Night 2025-11-25, Chance Rain. A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
• Wednesday 2025-11-26, Chance Rain. A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 30%.
• Wednesday Night 2025-11-26, Chance Rain. A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
• Thanksgiving Day 2025-11-27, Mostly Sunny. Mostly sunny, with a high near 49.