I-66 weather conditions near Rockville, Maryland
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Fair 43°F 2025-11-16T20:56:00-05:00 
Tonight 2025-11-16, Mostly Clear. Mostly clear, with a low around 35. West wind 10 to 14 mph, with gusts as high as 26 mph.
Monday 2025-11-17, Sunny. Sunny, with a high near 49. Northwest wind 11 to 18 mph, with gusts as high as 30 mph.- Monday Night 2025-11-17, Mostly Clear. Mostly clear, with a low around 30. Northwest wind 3 to 8 mph.
Tuesday 2025-11-18, Mostly Sunny then Chance Rain. A chance of rain after 1pm. Increasing clouds, with a high near 47. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.
Tuesday Night 2025-11-18, Rain Likely. Rain likely. Cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 70%.
Wednesday 2025-11-19, Mostly Cloudy. Mostly cloudy, with a high near 51.
Wednesday Night 2025-11-19, Mostly Cloudy. Mostly cloudy, with a low around 42.- Thursday 2025-11-20, Mostly Cloudy. Mostly cloudy, with a high near 57.
Thursday Night 2025-11-20, Mostly Cloudy then Chance Rain. A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Friday 2025-11-21, Chance Rain. A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night 2025-11-21, Chance Rain. A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday 2025-11-22, Chance Rain. A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 30%.- Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 44.
Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 58.