Storm Station
SeaTac, Washington
54°
Partly cloudy· Feels like 54°·Gentle breeze 10 mph N
Mostly cloudy, with a low around 48. North northeast wind around 9 mph.
-UV
-Air quality
55%Humidity
52%Cloud

What is measuring near here

The 5 instruments nearest SeaTac, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now3 instruments

Seattle-Tacoma INTLSEA

At an airfield/1.2 mi away/449 ft/24 ft above here

temp, wind, gust, visibility, precip, pressure

Rank117of 618

S144Th TukwilaT144T

Beside a road/2.3 mi away/144 ft/281 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

Spring Brook Ck Nr OrilliaSBKW1

At a river or reservoir gauge/3.1 mi away/23 ft/402 ft below here

temp, wind, gust, humidity, pressure

Rank443of 618

measured daily2 instruments

Des Moines 2.3 NNWWA-KG-318

In a volunteer observer's own ground/2.3 mi away/336 ft/89 ft below here

precip, snowfall, snow depth

Rank-

Tacoma No. 1TACW1

At a cooperative observer's station/14.7 mi away/6 ft/419 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Seattle-Tacoma INTL, drawn

The nearest airport reporting now, 1.2 mi from SeaTac. From its report of Sep 27, 2026, 1:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 25,000 ft; the ceiling is 25,000 ft; visibility 10 mi or more.

Section of the sky over Seattle-Tacoma INTL, height above the station to scale: overcast cloud with its base at 25,000 feet, the ceiling at 25,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SEAFIG. A THE SKY OVER SEATTLE-TACOMA INTLSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 25,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 25,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESeattle-Tacoma INTL, the skySTATION REPORT · ASOS SEATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SEA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

50.0 F with a dew point of 45.0 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up; the lowest cloud reported is at 25,000 ft.

Chart of the air at Seattle-Tacoma INTL: temperature 50.0 degrees Fahrenheit and dew point 45.0, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station, against the lowest cloud reported at 25,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SEAFIG. B THE AIR AT SEATTLE-TACOMA INTLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 FSATURATES 1,100 FT ABOVE THE STATION, AT 43.9 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 25,000 FTTEMPERATURE 50.0 FDEW POINT 45.0 FSPREAD 5.0 FRELATIVE HUMIDITY 83 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLESeattle-Tacoma INTL, the airSTATION REPORT · ASOS SEATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SEA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Seattle-Tacoma INTL, north up: blowing from 10 degrees, the north, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SEAFIG. C THE WIND AT SEATTLE-TACOMA INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 10°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESeattle-Tacoma INTL, the windSTATION REPORT · ASOS SEATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SEA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Seattle-Tacoma INTL, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Washington

23 places, each with its own forecast and its own instruments.

Near SeaTac

The nearest places, each with its own forecast and the instruments nearest it.