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Spanaway, Washington

Community in Pierce County, Washington

Air quality

The air at Spanaway

Index 32, good, led by fine particles. Read at 7 AM from its reporting area, Tacoma-Puyallup (WA), 7 miles off.

32Good
  • Fine particles (PM2.5)32Good-

The days ahead

Good each day through Wed Oct 21, led by fine particles. Yesterday measured 57, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Mon 5 AM: the index from smoke stays at 6 or under.

SatSunMon

Precipitation

What has fallen at Spanaway

0.03 in in the last 24 hours, and none in the 2 days before, to Sat 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.03in
Last 3 days
0.03in

Visibility

How far you can see at Spanaway, the next 46 hours

Visibility stays 8 miles or more through Mon 5 AM, lowest 8 miles Sat 8 AM.

SatSunMon

On the radar over Spanaway, WashingtonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Spanaway, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now4 instruments

TacomaNDBC-TCMW1

At a river or reservoir gauge/12.7 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank1,376of 1,444

measured daily2 instruments

Spanaway 2.3 SSEWA-PR-107

In a volunteer observer's own ground/1.2 mi away/474 ft/67 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Mc Chord AFB/Tacoma, drawn

The nearest airport reporting now, 4.2 mi from Spanaway, Washington. From its report of Oct 17, 2026, 7:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Mc Chord AFB/Tacoma, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TCMFIG. A THE SKY OVER MC CHORD AFB/TACOMASECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMc Chord AFB/Tacoma, the skySTATION REPORT · ASOS TCMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-TCM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

54.7 F with a dew point of 53.0 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Mc Chord AFB/Tacoma: temperature 54.7 degrees Fahrenheit and dew point 53.0, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TCMFIG. B THE AIR AT MC CHORD AFB/TACOMATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 400 FT ABOVE THE STATION, AT 52.6 FTEMPERATURE AND DEW POINT 54.7 F, 53.0 FRELATIVE HUMIDITY 94 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 POINTTITLEMc Chord AFB/Tacoma, the airSTATION REPORT · ASOS TCMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-TCM-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 14 mph: force 4, a moderate breeze on the Beaufort scale.

Plan of the wind at Mc Chord AFB/Tacoma, north up: blowing from 190 degrees, the south, at 14 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TCMFIG. C THE WIND AT MC CHORD AFB/TACOMAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMc Chord AFB/Tacoma, the windSTATION REPORT · ASOS TCMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-TCM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mc Chord AFB/Tacoma, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Washington

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

Near Spanaway

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

Near Spanaway

River and lake gauges