Weather in Mercer Island, Washington, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Mercer Island
Tonight |
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Temperature: 48°F Wind Speed: 5 mph Wind Direction: S Forecast: Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. South wind around 5 mph. |
Saturday |
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Temperature: 56°F Wind Speed: 3 mph Wind Direction: S Forecast: Mostly sunny. High near 56, with temperatures falling to around 54 in the afternoon. South wind around 3 mph. |
Saturday Night |
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Temperature: 49°F Wind Speed: 3 to 7 mph Wind Direction: SSE Forecast: Rain after 10pm. Mostly cloudy, with a low around 49. South southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 55°F Wind Speed: 8 mph Wind Direction: S Forecast: Rain. Cloudy, with a high near 55. South wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
Sunday Night |
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Temperature: 51°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Rain. Cloudy, with a low around 51. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
Monday |
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Temperature: 59°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Rain. Cloudy, with a high near 59. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
Monday Night |
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Temperature: 48°F Wind Speed: 10 to 14 mph Wind Direction: SSW Forecast: Rain. Cloudy, with a low around 48. |
Tuesday |
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Temperature: 54°F Wind Speed: 13 mph Wind Direction: S Forecast: Rain. Cloudy, with a high near 54. |
Tuesday Night |
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Temperature: 41°F Wind Speed: 14 mph Wind Direction: SSW Forecast: Rain. Cloudy, with a low around 41. |
Wednesday |
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Temperature: 47°F Wind Speed: 12 mph Wind Direction: SSW Forecast: Rain. Cloudy, with a high near 47. |
Wednesday Night |
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Temperature: 42°F Wind Speed: 10 mph Wind Direction: S Forecast: Rain. Cloudy, with a low around 42. |
Thursday |
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Temperature: 49°F Wind Speed: 9 mph Wind Direction: S Forecast: Rain. Cloudy, with a high near 49. |
Thursday Night |
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Temperature: 42°F Wind Speed: 10 mph Wind Direction: S Forecast: Rain. Cloudy, with a low around 42. |
Friday |
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Temperature: 49°F Wind Speed: 9 mph Wind Direction: S Forecast: Rain before 5pm. Cloudy, with a high near 49. |