Weather in Mercer Island, Washington, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Mercer Island
This Afternoon |
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Temperature: 45°F Wind Speed: 2 mph Wind Direction: SW Forecast: A chance of rain showers. Partly sunny. High near 45, with temperatures falling to around 43 in the afternoon. Southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 32°F Wind Speed: 2 mph Wind Direction: SSE Forecast: A chance of rain showers before 10pm, then rain and snow showers likely. Mostly cloudy, with a low around 32. South southeast wind around 2 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible. |
Wednesday |
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Temperature: 44°F Wind Speed: 3 mph Wind Direction: S Forecast: Rain and snow showers likely. Mostly cloudy. High near 44, with temperatures falling to around 42 in the afternoon. South wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday Night |
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Temperature: 31°F Wind Speed: 3 mph Wind Direction: ESE Forecast: A chance of rain showers before 10pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. East southeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 42°F Wind Speed: 6 mph Wind Direction: N Forecast: A slight chance of rain and snow showers before 4pm. Mostly sunny, with a high near 42. North wind around 6 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 28°F Wind Speed: 1 to 6 mph Wind Direction: NE Forecast: A slight chance of snow after 4am. Partly cloudy, with a low around 28. Chance of precipitation is 20%. |
Friday |
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Temperature: 45°F Wind Speed: 5 mph Wind Direction: S Forecast: A slight chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 45. |
Friday Night |
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Temperature: 35°F Wind Speed: 5 mph Wind Direction: SE Forecast: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 35. |
Saturday |
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Temperature: 50°F Wind Speed: 7 mph Wind Direction: E Forecast: A chance of rain and snow. Mostly cloudy, with a high near 50. |
Saturday Night |
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Temperature: 40°F Wind Speed: 8 mph Wind Direction: E Forecast: A chance of rain. Mostly cloudy, with a low around 40. |
Sunday |
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Temperature: 54°F Wind Speed: 6 mph Wind Direction: ESE Forecast: Rain likely. Mostly cloudy, with a high near 54. |
Sunday Night |
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Temperature: 40°F Wind Speed: 6 mph Wind Direction: SE Forecast: Rain likely. Mostly cloudy, with a low around 40. |
Monday |
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Temperature: 51°F Wind Speed: 5 mph Wind Direction: S Forecast: Rain likely. Mostly cloudy, with a high near 51. |
Monday Night |
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Temperature: 38°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Rain likely. Mostly cloudy, with a low around 38. |