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SeaTac weather
Current conditions and a 14-day forecast for SeaTac, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
21°C
Overcast · feels 20°C
Humidity
51%
relative humidity
Wind
9 km/h
10m wind speed
Chance of rain
6%
today
Next 24 hours in SeaTac
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 10pm | Overcast | 21°C | 1% |
| 11pm | Light drizzle | 19°C | 4% |
| 12am | Clear sky | 18°C | 2% |
| 1am | Clear sky | 17°C | 3% |
| 2am | Clear sky | 17°C | 5% |
| 3am | Mainly clear | 16°C | 5% |
| 4am | Overcast | 16°C | 6% |
| 5am | Clear sky | 15°C | 6% |
| 6am | Mainly clear | 15°C | 6% |
| 7am | Overcast | 16°C | 7% |
| 8am | Light drizzle | 16°C | 16% |
| 9am | Overcast | 18°C | 13% |
| 10am | Overcast | 18°C | 10% |
| 11am | Clear sky | 22°C | 10% |
| 12pm | Clear sky | 23°C | 11% |
| 1pm | Clear sky | 25°C | 12% |
| 2pm | Clear sky | 25°C | 14% |
| 3pm | Clear sky | 24°C | 13% |
| 4pm | Clear sky | 24°C | 18% |
| 5pm | Clear sky | 24°C | 19% |
| 6pm | Clear sky | 22°C | 16% |
| 7pm | Clear sky | 20°C | 8% |
| 8pm | Overcast | 19°C | 2% |
| 9pm | Overcast | 18°C | 1% |
14-day forecast for SeaTac
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Light drizzle | 29° / 14° | 6% |
| Thu, Jul 16 | Light drizzle | 25° / 15° | 19% |
| Fri, Jul 17 | Overcast | 27° / 13° | 0% |
| Sat, Jul 18 | Mainly clear | 28° / 13° | 0% |
| Sun, Jul 19 | Clear sky | 30° / 13° | 0% |
| Mon, Jul 20 | Clear sky | 31° / 14° | 1% |
| Tue, Jul 21 | Overcast | 35° / 16° | 2% |
| Wed, Jul 22 | Clear sky | 33° / 14° | 5% |
| Thu, Jul 23 | Clear sky | 32° / 15° | 8% |
| Fri, Jul 24 | Clear sky | 34° / 15° | 3% |
| Sat, Jul 25 | Clear sky | 32° / 15° | 5% |
| Sun, Jul 26 | Clear sky | 31° / 14° | 2% |
| Mon, Jul 27 | Overcast | 21° / 14° | 3% |
| Tue, Jul 28 | Overcast | 24° / 15° | 3% |
Want more sun and moon detail for SeaTac? Use the sun calculator or moon calculator and search for SeaTac. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in SeaTac today?
Current conditions and today's forecast for SeaTac, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is SeaTac's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see SeaTac's climate page rather than this live forecast.