10-Day Weather Forecast for SeaTac (WA)
Six-hourly outlook through Thursday 10 September. Updated every three hours via MET Norway.
What's the weather in SeaTac this week?
Today's weather - Monday 31 Aug
This evening, the weather in SeaTac will be partly cloudy, with temperatures around 22°C (72°F), dropping to 17°C (63°F) overnight.
Tomorrow's weather - Tuesday 1 Sep
On Tuesday, SeaTac will be cloudy. The maximum predicted temperature is a pleasant 21°C (70°F), while the minimum temperature is a mild 13°C (55°F).
10-Day Weather Forecast
The 10-day forecast shows that temperatures will start at 22°C (72°F) on Monday, then cooling down. During this period, expect daytime highs around 19°C (66°F) and nighttime lows around 14°C (57°F). Compared to September norms, this represents a bit cooler than usual weather. There will be some sunshine throughout this time. Rain amounts are forecast to be much more than usual (relative to standard September patterns), with some rainy days. Precipitation is likely on approximately 4 days (Wed, Thu, Sat, Sun). The wind will be generally calm during this period.
Weather Forecast FAQ for SeaTac
When will be the warmest day next week?
The warmest day is expected to be Monday with a high of 22°C (72°F).
When will be the coldest day?
The coldest day is forecasted for Friday with a low of 10°C (50°F).
Will it rain next week in SeaTac?
Yes, rain is expected on 4 days , specifically on Wed, Thu, Sat, Sun.
How much rainfall is expected next week?
A total of 36 mm (1.4 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 10°C (50°F) to 22°C (72°F).
More about SeaTac
Explore the full SeaTac climate overview with monthly averages, or check rainfall data and temperature by month.
SeaTac weather by month
Browse monthly averages for SeaTac: climate by month with temperature, rainfall and sunshine.
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