Weather in SeaTac, United States 🇺🇸
Weather Forecast in SeaTac
In SeaTac right now it is 27°C and partly cloudy, feeling like 27°C. Expect 42% humidity and winds of about 6 km/h, and the UV index is 0 (low). Over the next few days, temperatures in SeaTac range from about 15°C to 37°C. ⚠️ Heat Advisory issued July 20 at 3:30AM PDT until July 22 at 11:00PM PDT by NWS Seattle WA
Hourly Forecast for SeaTac
14-Day Forecast for SeaTac
Sunny
Sunny
Sunny
Sunny
Sunny
Patchy rain nearby
Partly Cloudy
Partly Cloudy
Patchy rain nearby
Partly Cloudy
Sunny
Sunny
Sunny
Sunny
Additional Forecasts for SeaTac
Air Quality
Historical Weather
Weather Forecasts for Other Cities in United States
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Best Time to Be Outside in SeaTac Tomorrow
There is no good daylight window left in SeaTac today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in SeaTac
What is the temperature in SeaTac right now?
It is currently 27°C (80°F) in SeaTac, partly cloudy (feels like 27°C).
What's the weather like in SeaTac right now?
Conditions in SeaTac right now: Partly cloudy, humidity 42%, wind 6 km/h N.
What is today's forecast for SeaTac?
Today in SeaTac: high 31°C, low 15°C, sunny. Chance of rain: 3%.
What is the 7-day weather forecast for SeaTac?
Daily highs and lows for SeaTac:
- 2026-07-20: 31°C / 15°C
- 2026-07-21: 36°C / 18°C
- 2026-07-22: 37°C / 18°C
- 2026-07-23: 31°C / 18°C
- 2026-07-24: 29°C / 16°C
- 2026-07-25: 22°C / 14°C
- 2026-07-26: 28°C / 13°C
Is it going to rain in SeaTac today?
There is a 3% chance of rain in SeaTac today.
What is the wind speed in SeaTac right now?
Wind in SeaTac is currently 6 km/h (4 mph) from the N.
What is the UV index in SeaTac right now?
The UV index in SeaTac is currently 0.5 (low). Sun protection is recommended when the index is 3 or higher.
