I-90 weather conditions near Mercer Island, Washington
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: light rain,mist 48°F 2025-11-14T11:46:00 - Today 2025-11-14, Rain. Rain. High near 55. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight 2025-11-14, Rain. Rain. Low around 52. South wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.- Saturday 2025-11-15, Rain. Rain. High near 56. South wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night 2025-11-15, Rain Likely then Chance Rain. Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday 2025-11-16, Rain. Rain, mainly after 10am. High near 57. East southeast wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night 2025-11-16, Rain. Rain. Low around 49. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday 2025-11-17, Rain Likely. Rain likely, mainly before 10am. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Monday Night 2025-11-17, Chance Rain. A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday 2025-11-18, Chance Rain. A chance of rain. Partly sunny, with a high near 50.- Tuesday Night 2025-11-18, Chance Rain. A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.
- Wednesday 2025-11-19, Chance Rain. A chance of rain. Mostly cloudy, with a high near 50.
- Wednesday Night 2025-11-19, Rain Likely. Rain likely. Mostly cloudy, with a low around 43.
- Thursday 2025-11-20, Chance Rain. A chance of rain. Partly sunny, with a high near 51.