SeaTac, WA Weather Forecast
King County, Washington
Live radar, warnings and storm tracking for SeaTac, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for SeaTac
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
SeaTac, WA at a glance
SeaTac is home to about 31,799 people in King County, across 10 square miles. It ranks 40th by population of 152 places in Washington with a forecast here. The nearest neighbour with its own forecast is Normandy Park, 2 miles away.
- County
- King County
- Population
- 31,799 2023 est.
- Land area
- 10 sq mi
- People per sq mi
- 3,160
- Forecast point
- 47.4434°N, 122.2983°W
How well can the network see SeaTac?
The nearest Doppler radar is KATX (Seattle/Tacoma, WA), to the N. Its lowest scan passes about 3,800 ft above SeaTac. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KSEA (Seattle-Tacoma Intl). Close enough that its readings are the conditions in town.
Forecasts near SeaTac
- Normandy Park, WA2 mi
- Tukwila, WA3 mi
- Burien, WA3 mi
- Des Moines, WA4 mi
- Renton, WA5 mi
- Kent, WA6 mi
- Newcastle, WA9 mi
- Mercer Island, WA9 mi
Elsewhere in Washington
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