7-Day Forecast Summary
7-Day Detailed Weather Forecast for SeaTac
This Afternoon |
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Temperature: 86°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind 7 to 10 mph. |
Tonight |
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Temperature: 57°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph. |
Wednesday |
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Temperature: 78°F Wind Speed: 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 78. Southwest wind around 7 mph. |
Wednesday Night |
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Temperature: 57°F Wind Speed: 7 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 57. Southwest wind around 7 mph. |
Thursday |
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Temperature: 73°F Wind Speed: 6 to 10 mph Wind Direction: SSW Forecast: Partly sunny, with a high near 73. South southwest wind 6 to 10 mph. |
Thursday Night |
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Temperature: 55°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 55. |
Friday |
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Temperature: 73°F Wind Speed: 6 mph Wind Direction: WSW Forecast: Partly sunny, with a high near 73. |
Friday Night |
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Temperature: 55°F Wind Speed: 6 mph Wind Direction: W Forecast: A chance of rain after 11pm. Mostly cloudy, with a low around 55. |
Saturday |
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Temperature: 69°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of rain before 5pm. Partly sunny, with a high near 69. |
Saturday Night |
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Temperature: 52°F Wind Speed: 3 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 52. |
Sunday |
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Temperature: 71°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: Partly sunny, with a high near 71. |
Sunday Night |
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Temperature: 53°F Wind Speed: 6 mph Wind Direction: W Forecast: Partly cloudy, with a low around 53. |
Monday |
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Temperature: 71°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Partly sunny, with a high near 71. |
Monday Night |
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Temperature: 54°F Wind Speed: 6 mph Wind Direction: SSW Forecast: A slight chance of rain after 11pm. Mostly cloudy, with a low around 54. |

