Weather SeaTac long-term weather forecast
Long-term weather forecast for SeaTac for ten days.
Friday, Jan 16
48 / 41°F
| 0.00 in | 6 mph |
| 41 °F | 37 °F | 4 am | |
| 41 °F | 37 °F | 10 am | |
| 48 °F | 46 °F | 4 pm | |
| 41 °F | 37 °F | 10 pm |
sunrise 7:50 am
sunset 4:47 pm
HOURLY
sunset 4:47 pm
|
|
|
|
Weather forecast SeaTac, Washington, USA extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Friday 01/16/2026 |
|||||||||||||
| 4 AM
7 AM
| overcast | 41 °F 37 °F |
0.0 in | 9 fps 6 mph northeast |
30.4 in | 93 % | 37 °F | 100 % | 0% | 100% | 0% | 0% | |
| 10 AM
1 PM
| cloudy | 41 °F 37 °F |
0.0 in | 7 fps 5 mph northeast |
30.4 in | 88 % | 36 °F | 38 % | 0% | 38% | 0% | 0% | |
| 4 PM
7 PM
| clear | 48 °F 45 °F |
0.0 in | 9 fps 6 mph north |
30.3 in | 71 % | 39 °F | 0 % | 0% | 0% | 0% | 0% | |
| 10 PM
1 AM
| clear | 41 °F 37 °F |
0.0 in | 7 fps 4 mph east-northeast |
30.2 in | 86 % | 36 °F | 0 % | 0% | 0% | 0% | 0% | |
Saturday 01/17/2026 |
|||||||||||||
| 4 AM
7 AM
| clear | 37 °F 34 °F |
0.0 in | 5 fps 4 mph east-northeast |
30.2 in | 81 % | 32 °F | 0 % | 0% | 0% | 0% | 0% | |
| 10 AM
1 PM
| clear | 41 °F 37 °F |
0.0 in | 5 fps 4 mph northeast |
30.2 in | 82 % | 36 °F | 0 % | 0% | 0% | 0% | 0% | |
| 4 PM
7 PM
| clear | 50 °F 48 °F |
0.0 in | 0 fps 0 mph south-southwest |
30.1 in | 78 % | 43 °F | 0 % | 0% | 0% | 0% | 0% | |
| 10 PM
1 AM
| clear | 39 °F 36 °F |
0.0 in | 4 fps 3 mph southeast |
30.2 in | 86 % | 36 °F | 0 % | 0% | 0% | 0% | 0% | |
SeaTac, Washington, USA - information
State: Washington, USAGPS coordinates: 47.4485; -122.2922
Time zone: America / Los Angeles
time difference in hours with time in NY is -9 hours
Population: 28 215
Altitude: 413 ft
The administrative part:
Something wrong, something missing?
Weather SeaTac, Washington, USA. Weather forecast SeaTac.
Weather searching weather forecast for all cities in the world.
The second option is to search through list of continents and countries.
Data source
Weather forecast for SeaTac is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information SeaTac
data are always in the local timeSun and light
Jan. 16, 2026
| Sunrise: | Sunset: |
| 7:50 am | 4:47 pm |
| Noon: | Length of day: |
| 12:19 pm | 08:56 |
| Start of civil twilight*: | End of civil twilight*: |
| 7:15 am | 5:22 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 6:38 am | 5:59 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 6:02 am | 6:36 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/16/2026 6:55 am | 01/16/2026 2:26 pm |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
