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: 43°F Wind Speed: 17 mph Wind Direction: SW Forecast: Rain. Mostly cloudy, with a low around 43. Southwest wind around 17 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday |
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Temperature: 48°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Rain likely. Mostly cloudy. High near 48, with temperatures falling to around 46 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday Night |
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Temperature: 42°F Wind Speed: 10 mph Wind Direction: S Forecast: Rain. Cloudy. Low around 42, with temperatures rising to around 44 overnight. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday |
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Temperature: 52°F Wind Speed: 7 to 13 mph Wind Direction: S Forecast: Rain. Cloudy, with a high near 52. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
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Temperature: 40°F Wind Speed: 7 to 13 mph Wind Direction: SSW Forecast: Rain. Mostly cloudy, with a low around 40. South southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. |
Friday |
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Temperature: 46°F Wind Speed: 9 mph Wind Direction: SSW Forecast: Rain. Mostly cloudy, with a high near 46. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 40°F Wind Speed: 10 mph Wind Direction: SSW Forecast: Rain. Cloudy, with a low around 40. |
Saturday |
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Temperature: 45°F Wind Speed: 9 mph Wind Direction: SSW Forecast: Rain. Mostly cloudy, with a high near 45. |
Saturday Night |
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Temperature: 39°F Wind Speed: 5 to 8 mph Wind Direction: S Forecast: Rain likely. Mostly cloudy, with a low around 39. |
Sunday |
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Temperature: 47°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Rain. Mostly cloudy, with a high near 47. |
Sunday Night |
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Temperature: 41°F Wind Speed: 8 mph Wind Direction: S Forecast: Rain. Mostly cloudy, with a low around 41. |
Monday |
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Temperature: 48°F Wind Speed: 8 mph Wind Direction: S Forecast: Rain likely. Mostly cloudy, with a high near 48. |
Monday Night |
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Temperature: 39°F Wind Speed: 7 mph Wind Direction: S Forecast: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 39. |
Tuesday |
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Temperature: 46°F Wind Speed: 6 mph Wind Direction: S Forecast: A chance of rain and snow before 5pm. Mostly cloudy, with a high near 46. |