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Fall City, Washington

Community in King County, Washington

Air quality

The air at Fall City

Index 56, moderate, led by fine particles. Read at 10 PM from its reporting area, Seattle-Bellevue-Kent Valley (WA), 21 miles off.

56Moderate
  • Fine particles (PM2.5)56Moderate8.1 mi
  • Ozone3Good2 ppb19 mi
  • Coarse particles (PM10)25Good19 mi
  • Nitrogen dioxide21Good22.6 ppb19 mi
  • Sulfur dioxide0Good0.7 ppb19 mi
  • Carbon monoxide-0.3 ppm19 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 32, 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 Fall City

None in the last 24 hours; 0.02 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Fall City, the next 43 hours

Visibility stays 5 miles or more through Sat 5 PM, lowest 6 miles Sat 10 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Fall City, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now4 instruments

measured daily2 instruments

Snoqualmie 2.9 WWA-KG-27

In a volunteer observer's own ground/2.6 mi away/899 ft/775 ft above here

precip, snowfall, snow depth

Rank-

Cedar LakeCEDW1

At a cooperative observer's station/12.5 mi away/1,568 ft/1,444 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Renton Municipal, drawn

The nearest airport reporting now, 15.6 mi from Fall City, Washington. From its report of Oct 15, 2026, 10:53 PM 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 Renton Municipal, 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 RNTFIG. A THE SKY OVER RENTON MUNICIPALSECTION, 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 MORE0510TITLERenton Municipal, the skySTATION REPORT · ASOS RNTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RNT-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

51.0 F with a dew point of 50.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Renton Municipal: temperature 51.0 degrees Fahrenheit and dew point 50.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RNTFIG. B THE AIR AT RENTON MUNICIPALTHE 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 FSATURATES 200 FT ABOVE THE STATION, AT 49.7 FTEMPERATURE AND DEW POINT 51.0 F, 50.0 FRELATIVE HUMIDITY 96 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 POINTTITLERenton Municipal, the airSTATION REPORT · ASOS RNTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RNT-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 Renton Municipal, 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 RNTFIG. C THE WIND AT RENTON MUNICIPALPLAN, 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 FORCE73TITLERenton Municipal, the windSTATION REPORT · ASOS RNTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RNT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Renton Municipal, 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 Fall City

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

Near Fall City

River and lake gauges