I-90 weather conditions near Mercer Island, Washington

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 53°F 2025-11-20T16:00:00
• Tonight 2025-11-20, Partly Cloudy. Partly cloudy, with a low around 41. Calm wind becoming south southeast around 5 mph after midnight.
• Friday 2025-11-21, Partly Sunny then Slight Chance Rain. A 20 percent chance of rain after noon. Partly sunny, with a high near 53. South wind around 6 mph.
• Friday Night 2025-11-21, Chance Rain. A 30 percent chance of rain. Mostly cloudy, with a low around 48. South wind around 6 mph.
• Saturday 2025-11-22, Chance Rain. A 30 percent chance of rain. Mostly cloudy, with a high near 56. South wind around 6 mph.
• Saturday Night 2025-11-22, Rain. Rain, mainly after 10pm. Low around 49. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
• Sunday 2025-11-23, Rain. Rain. High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
• Sunday Night 2025-11-23, Rain Likely. Rain likely before 8pm, then showers likely after 8pm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
• Monday 2025-11-24, Showers Likely. Showers likely, mainly before 10am. Partly sunny, with a high near 49.
• Monday Night 2025-11-24, Slight Chance Showers. A slight chance of showers before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 39.
• Tuesday 2025-11-25, Chance Rain. A chance of rain, mainly after 10am. Mostly cloudy, with a high near 49.
• Tuesday Night 2025-11-25, Rain Likely. Rain likely. Mostly cloudy, with a low around 41.
• Wednesday 2025-11-26, Rain Likely. Rain likely. Cloudy, with a high near 50.
• Wednesday Night 2025-11-26, Rain Likely. Rain likely. Mostly cloudy, with a low around 44.
• Thanksgiving Day 2025-11-27, Chance Rain. A chance of rain. Mostly cloudy, with a high near 51.