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Aspen, Colorado

City in Pitkin County, Colorado

Air quality

The air at Aspen

Index 19, good, led by fine particles. Read at 12 AM from its reporting area, Aspen (CO), 0 miles off.

19Good
  • Fine particles (PM2.5)19Good0.3 mi
  • Ozone17Good-
  • Coarse particles (PM10)10Good0.3 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 35, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Aspen

None in the last 24 hours; 0.36 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.36in

Visibility

How far you can see at Aspen, the next 42 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

On the radar over Aspen, ColoradoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Aspen, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now3 instruments

AspenAPXC2

At a river or reservoir gauge/1.5 mi away/8,011 ft/119 ft above here

temp, wind, gust, humidity, pressure

Rank1,781of 2,650

measured daily2 instruments

Aspen 1.3 SSWCO-PT-18

In a volunteer observer's own ground/1.3 mi away/8,084 ft/192 ft above here

precip, snowfall, snow depth

Rank-

GothicGTHC2

At a cooperative observer's station/17.8 mi away/10,617 ft/2,725 ft above here

snowfall, snow depth, precip, high, low

Rank1,494of 2,650

Station report

The weather at Aspen/Sardy Field, drawn

The nearest airport reporting now, 3.2 mi from Aspen, Colorado. From its report of Oct 15, 2026, 11:53 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 Aspen/Sardy Field, 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 ASEFIG. A THE SKY OVER ASPEN/SARDY FIELDSECTION, 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 MORE0510TITLEAspen/Sardy Field, the skySTATION REPORT · ASOS ASETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ASE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

32.0 F with a dew point of 28.0 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Aspen/Sardy Field: temperature 32.0 degrees Fahrenheit and dew point 28.0, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ASEFIG. B THE AIR AT ASPEN/SARDY FIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 FSATURATES 900 FT ABOVE THE STATION, AT 27.2 FTEMPERATURE 32.0 FDEW POINT 28.0 FSPREAD 4.0 FRELATIVE HUMIDITY 85 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 POINTTITLEAspen/Sardy Field, the airSTATION REPORT · ASOS ASETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ASE-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Aspen/Sardy Field, north up: blowing from 220 degrees, the southwest, at 8 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 ASEFIG. C THE WIND AT ASPEN/SARDY FIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAspen/Sardy Field, the windSTATION REPORT · ASOS ASETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ASE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Aspen/Sardy Field, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Gothic (GTHC2), 17.8 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Colorado

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

Near Aspen

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

Near Aspen

River and lake gauges