Weather in Mercer Island, Washington, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Mercer Island
Overnight |
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Temperature: 59°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 59. South southeast wind around 6 mph. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 70°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Rain after 10am. Cloudy. High near 70, with temperatures falling to around 64 in the afternoon. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday Night |
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Temperature: 55°F Wind Speed: 5 to 9 mph Wind Direction: SSE Forecast: Rain likely. Mostly cloudy, with a low around 55. South southeast wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: SSW Forecast: Rain likely. Partly sunny, with a high near 68. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 54°F Wind Speed: 3 mph Wind Direction: SW Forecast: A chance of rain. Mostly cloudy, with a low around 54. Southwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 69°F Wind Speed: 3 mph Wind Direction: WSW Forecast: A chance of rain. Partly sunny, with a high near 69. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 54°F Wind Speed: 2 mph Wind Direction: NNE Forecast: A slight chance of rain before 11pm. Mostly cloudy, with a low around 54. |
Saturday |
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Temperature: 71°F Wind Speed: 2 to 6 mph Wind Direction: NNE Forecast: A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 71. |
Saturday Night |
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Temperature: 56°F Wind Speed: 5 mph Wind Direction: N Forecast: Partly cloudy, with a low around 56. |
Sunday |
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Temperature: 73°F Wind Speed: 6 mph Wind Direction: N Forecast: A slight chance of rain after 5pm. Mostly sunny, with a high near 73. |
Sunday Night |
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Temperature: 57°F Wind Speed: 3 mph Wind Direction: ENE Forecast: A chance of rain. Partly cloudy, with a low around 57. |
Labor Day |
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Temperature: 72°F Wind Speed: 2 to 6 mph Wind Direction: SSW Forecast: A chance of rain. Partly sunny, with a high near 72. |
Monday Night |
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Temperature: 58°F Wind Speed: 5 mph Wind Direction: SSW Forecast: A slight chance of rain. Mostly cloudy, with a low around 58. |
Tuesday |
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Temperature: 72°F Wind Speed: 5 mph Wind Direction: SW Forecast: A slight chance of rain before 11am. Partly sunny, with a high near 72. |