5-Day Weather Forecast, SeaTac (WA)

Fri   Dec 27

9°C | 5°C

S 5 m/s

20 mm

overcast and heavy rain

hourly forecast

Sat   Dec 28

10°C | 6°C

SW 8 m/s

6.4 mm

broken clouds and rain

hourly forecast

Sun   Dec 29

7°C | 4°C

S 6 m/s

3.9 mm

broken clouds and rain

hourly forecast

Mon   Dec 30

7°C | 3°C

S 5 m/s

0.8 mm

partly cloudy and rain

Tue   Dec 31

7°C | 3°C

SE 4 m/s

overcast and no rain

See the 10-day forecast for popular European destinations

Europe Forecast

Get more details in the extended 10 day weather forecast for SeaTac. Check out our December climate page to see if the current temperatures in SeaTac is typical for this time of year.