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Portland, Colorado

Community in Ouray County, Colorado

Air quality

The air at Portland

Index 20, good, led by ozone. Read at 10 PM from its reporting area, Southern Ute Indian Reservation (CO), 59 miles off.

20Good
  • Fine particles (PM2.5)13Good-
  • Ozone20Good-
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 47, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Portland

None in the last 24 hours; 0.89 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
0.89in

Visibility

How far you can see at Portland, the next 44 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Portland, 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 now5 instruments

measured daily2 instruments

Ouray 2.4 NNWCO-OR-12

In a volunteer observer's own ground/2.4 mi away/7,930 ft/725 ft above here

precip, snowfall, snow depth

Rank-

Quray SpotterURYC2

At a cooperative observer's station/4.6 mi away/7,736 ft/531 ft above here

snowfall, snow depth, precip, high, low

Rank197of 2,650

Station report

The weather at Telluride Regional, drawn

The nearest airport reporting now, 14.1 mi from Portland, Colorado. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 900 ft; the ceiling is 900 ft; visibility 10 mi or more.

Section of the sky over Telluride Regional, height above the station to scale: overcast cloud with its base at 900 feet, the ceiling at 900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TEXFIG. A THE SKY OVER TELLURIDE REGIONALSECTION, 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 SHEETOVC 900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLETelluride Regional, the skySTATION REPORT · ASOS TEXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TEX-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

35.6 F with a dew point of 33.8 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at Telluride Regional: temperature 35.6 degrees Fahrenheit and dew point 33.8, 93 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, against the lowest cloud reported at 900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TEXFIG. B THE AIR AT TELLURIDE REGIONALTHE 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 F50 FSATURATES 400 FT ABOVE THE STATION, AT 33.4 FLOWEST CLOUD REPORTED, OVC 900 FTTEMPERATURE AND DEW POINT 35.6 F, 33.8 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 POINTTITLETelluride Regional, the airSTATION REPORT · ASOS TEXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TEX-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 Telluride Regional, 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 TEXFIG. C THE WIND AT TELLURIDE REGIONALPLAN, 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 FORCE73TITLETelluride Regional, the windSTATION REPORT · ASOS TEXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TEX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Telluride Regional, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Quray Spotter (URYC2), 4.6 miles from here, read 15 Oct, 07:12. measured daily

Elsewhere in Colorado

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

Near Portland

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

Near Portland

River and lake gauges