I-90 weather conditions near Mercer Island, Washington

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 48°F 2025-10-21T01:17:00
• Overnight 2025-10-21, Partly Cloudy. Partly cloudy, with a low around 47. South southeast wind around 5 mph.
• Tuesday 2025-10-21, Mostly Sunny. Mostly sunny, with a high near 60. Light and variable wind.
• Tuesday Night 2025-10-21, Mostly Clear. Mostly clear, with a low around 47. Light and variable wind.
• Wednesday 2025-10-22, Chance Rain. A 50 percent chance of rain after 11am. Partly sunny, with a high near 63. South southwest wind 6 to 10 mph.
• Wednesday Night 2025-10-22, Rain Likely then Chance Rain. Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52. South wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
• Thursday 2025-10-23, Chance Rain. A 50 percent chance of rain. Mostly cloudy, with a high near 62.
• Thursday Night 2025-10-23, Rain. Rain. Low around 53. Chance of precipitation is 80%.
• Friday 2025-10-24, Rain. Rain. Cloudy, with a high near 58.
• Friday Night 2025-10-24, Rain. Rain. Cloudy, with a low around 49.
• Saturday 2025-10-25, Rain. Rain. Cloudy, with a high near 53.
• Saturday Night 2025-10-25, Rain. Rain. Cloudy, with a low around 46.
• Sunday 2025-10-26, Rain. Rain. Cloudy, with a high near 51.
• Sunday Night 2025-10-26, Rain. Rain. Cloudy, with a low around 44.
• Monday 2025-10-27, Rain. Rain. Mostly cloudy, with a high near 51.