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McChord AFB, Washington

Community in Pierce County, Washington

Air quality

The air at McChord AFB

Index 55, moderate, led by fine particles. Read at 10 PM from its reporting area, Tacoma-Puyallup (WA), 5 miles off.

55Moderate
  • Fine particles (PM2.5)55Moderate5.4 mi
  • Ozone-1 ppb15.4 mi
  • Nitrogen dioxide18Good19.1 ppb7.4 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 28, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at McChord AFB

None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at McChord AFB, the next 43 hours

Visibility stays 7 miles or more through Sat 5 PM, lowest 8 miles Sat 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest McChord AFB, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.4 miles away.

measured now4 instruments

TacomaNDBC-TCMW1

At a river or reservoir gauge/11.3 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank1,390of 1,451

measured daily2 instruments

Lakewood 2.0 WWA-PR-26

In a volunteer observer's own ground/2.8 mi away/327 ft/50 ft above here

precip, snowfall, snow depth

Rank-

Tacoma No. 1TACW1

At a cooperative observer's station/9.8 mi away/6 ft/271 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mc Chord AFB/Tacoma, drawn

The nearest airport reporting now, 2.4 mi from McChord AFB, Washington. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 9 mi.

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 9 mi.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: 9 MI0510TITLEMc Chord AFB/Tacoma, the skySTATION REPORT · ASOS TCMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TCM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

44.6 F with a dew point of 42.6 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Mc Chord AFB/Tacoma: temperature 44.6 degrees Fahrenheit and dew point 42.6, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 42.1 FTEMPERATURE AND DEW POINT 44.6 F, 42.6 FRELATIVE HUMIDITY 93 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 6DATE2026-10-16IDSR-TCM-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Mc Chord AFB/Tacoma, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMc Chord AFB/Tacoma, the windSTATION REPORT · ASOS TCMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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 McChord AFB

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

Near McChord AFB

River and lake gauges